0902_OusiaDAO_Company Profile_slideshare_v14.pdf

With the vision of democratizing education, it is a global education-related DAO whose activities are centered around the Edverse business.

1. CONFIDENTIAL AND PROPRIETARY
This presentation, including any supporting materials, is owned by OusiaDAO LLC. and/or its affiliates and is for the sole use of the intended OusiaDAO LLC audience or other intended recipients. This presentation may contain
information that is confidential, proprietary or otherwise legally protected, and it may not be further copied, distributed or publicly displayed without the express written permission of OusiaDAO LLC. or its affiliates. © 2024
OusiaDAO LLC. and/or its affiliates.
All rights reserved.
Company introduction materials
FY2024
OusiaDaoLLC
Company Profile
A global DAO in education with a vision of "Democratizing Education"

2. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 2
agenda
Purpose
OusiaDAOLLC
We hope that you will understand
the company profile.
Our activities to realize our vision
of "democratization of education"
Interest
Introduction of the company
profile and vision
Introduction of business
overview
Introduction of the DAO
structure and key members
Introducing the Roadmap

3. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 3
agenda
Purpose
OusiaDAOLLC
We hope that you will understand
the company profile.
Our activities to realize our vision
of "democratization of education"
Interest
Introduction of the company
profile and vision
Introduction of business
overview
Introduction of the DAO
structure and key members
Introducing the Roadmap

4. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 4
Company Profile
OusiaDAOis a global DAO in the form of a limited liability company with the vision of
"democratizing education". It revolves around the education ×metaverse Edversebusiness,
and currently has a total of about 110 members involved in OusiaDAO
Company Profile
Company
Name
OusiaDAOLLC
Set up July 29, 2024
RepresentativeShuto Oba（SANKA）
Head office
5-5 Maruyama-cho, Shibuya-
ku, Tokyo Navi Shibuya V. 3F
Business
1.Edverse
*1
2.EdApps
*2
3.EdTechConsulting
Member 6 (140)
URL https://www.ousiadao.com/
Phone num 080-7725-4375
Mail [email protected]
Vision & Mission
Achievements
Number of participants in past events: 200 or more
Democratization of Education
Creating Possibilities
Anytime, Anywhere, Anyone
To create a world where you can learn what
you have learned.
To provide opportunities for everyone to find
what they really want to do and make it
happen.
V
M
*1: Edverseis a coined word that is a combination of "Education" a nd "Metaverse"
*2: dAppsis an abbreviation for "Decentralized Applicatoin" and means "decentralized applications."

5. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 5
OusiaDAO's Vision
OusiaDAOwill build an education metaverse platform “OUSIA” and multi -location homeschool service “LearnHop”
to realize the ”Democratization of Education" and create a world where people around the world can access
education anytime, anywhere, from both online and offline axis
Education Metaverse (Edverse) Platform
「OUSIA」
Home School Service
「LearnHop」
Play to Learn and Earn
Yamada home Moussa home
Cruz home Smith home
Web
Reservation
Learn wherever
you want!
OUSIA is an Edverseplatform that integrates school and educational content in a
virtual world. Image, the educational edition of VRChat
LearnHopis a service where each
family becomes a school. Image, the
educational edition of Airbnb
Play Area Learn Area Give Area
Find Area Try Area
UGC: User-Generated Content
DAS: Decentralized
Autonomous School
* The logo presented is a
visualization of the concept, not a
definitive version.

6. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 6
agenda
Purpose
OusiaDAOLLC
We hope that you will understand
the company profile.
Our activities to realize our vision
of "democratization of education"
Interest
Introduction of the company
profile and vision
Introduction of business
overview
Introduction of the DAO
structure and key members
Introducing the Roadmap

7. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 7
Business overview: Overall overview
OusiaDAOwill develop its business around three core businesses: Edversebusiness, dApps
business, and EdTechConsultingbusiness. In addition, as a Web4 platformer with strengths in
the educational field, we will conduct our own branding
❷dApps
Envisioning a multi-location homeschool platform
"LearnHop”
•Go to Learn and Earn
•A matching platform for hosts who want to
provide space and users who want to rent space
•Users can go to each location and access ❶
Edverse
❶Edverse
Education-focused metaverse platform
Idea. Classified into the following five areas
•Learn Area: Real School Metaverse School and
Original School
•Play Area: Virtual Club
•Find Area: Coaching/Counseling
•Try Area: Virtual Job Training
•Give area: Present your dreams and expertise

8. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 8
Business Overview: ❶EdverseBusiness
As an education-focused metaverse platform, educational institutions around the world will be
embodied in the platform, including educational curricula, and will provide an environment where
everyone can take the classes they want to take at their desired schools in the metaverse
Play Area Learn Area Give Area
Find Area Try Area
Tokenomicks：Play to Learn and Earn
A bird's-eye view of the Edverseplatform "OUSIA"
Web4 = Metaverse ×Blockchain ×AI -Creation of > DAS (Decentralized Autonomous School)
UGC: User Create
DAS: Decentralized
Autonomous School
* The logo presented is a visualization of
the concept, not a definitive version.

9. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 9
Business overview: ❷dAppsBusiness
Develop "LearnHop", a multi-location homeschool platform based on the concept of ”Go to
Learn and Earn”. Users can use NFTs as proof of membership to access various homeschool
locations around the world
Multi-location homeschool platform app: " LearnHop"
It is a homeschool platform based on the concept of "Stay and Learn to Earn", and users can use the
Wherever you want, you can rent a space, learn and earn money
❶Envisioning collaboration with the Edversebusiness
user host

10. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 10
agenda
Purpose
OusiaDAOLLC
We hope that you will understand
the company profile.
Our activities to realize our vision
of "democratization of education"
Interest
Introduction of the company
profile and vision
Introduction of business
overview
Introduction of the DAO
structure and key members
Introducing the Roadmap

11. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 11
Premise: What is a DAO (Decentralized Autonomous Organization)?
A DAO is an organization that operates using blockchain technology, and is characterized by the
fact that there is no specific central administrator, everyone globally participates in the project,
and as a reward, they receive project tokens instead of cash
Existing Organizations DAO
Organizational Purpose:
Pursuit of Profit
Organizational Structure:
Centralized
Workers: Limited number of
employees
Remuneration: Cash salary
Organizational Purpose:
Pursuit of Vision
Organizational Structure:
Decentralized
Workers: Anyone can
participate
Reward: Token Distribution

12. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 12
Organizational characteristics of OusiaDAO
OusiaDAOis a global DAO in education with a vision of democratizing education. It is a global
project in which anyone who shares the vision can participate and be involved in management
decision-making, and all members will create the education of the future
Democrat
ization of
Education
advantage
Anybody
Organiza
tion
Dicision
The threshold for participating in the
project is low, and anyone with an
Internet connection can participate. This
brings together a diverse range of
people and allows them to share a
wealth of ideas and knowledge
When people who share the same vision
come together, a strong organization is
formed. Easier to work together toward
a common goal
Since all participants can be involved in
management decision-making, diverse
opinions are reflected, and fair and
balanced management is possible.
The purpose of the organization
is to democratize education
Organizational structure:
Bureaucratic DAO
Workers: Anyone can
participate
Reward: Distributing AGAPE
tokens
OusiaDAOOrganization Management

13. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 13
OusiaDAO's Token Economy
OusiaDAOis made up of global members who share the vision of "democratizing education", and within
the DAO, Ousia'sunique token economy is built around three tokens
Global members who share the vision of "democratization of
education"
Employee Rights
Token
NFT
1
NFT
DAO Membership
Rights token
2
OusiaDAO
Discord
proposal
vote
OusiaDAO
Charmverse
Polygon-chain
Sharer
Eventer Teacher
Governance
token
3
Exective・mooner*
1
Uniswap
company
employee
DAO Members
Creator
Player
＊1. “mooner”は、OusiaのDAOメンバーを意味する

14. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 14
Types of OusiaDAO Tokens and Value Proposition
OusiaDAOhas three tokens. They are "ARCHE" with employee rights, "moo" with DAO
membership rights, and "AGAPE" distributed as compensation for voting and performing tasks
for the operation and decision-making of the DAO.
moo
DAO Membership Token
2
AGAPE
Governance Token
3
ARCHE
Employee Rights Token
1
Token (FT/NFT) Token Ownership Capabilities
ARCHE holders become employees
(investors) of OusiaDAOLLC and can
receive profit dividends
moo holders (mooners) can become
DAO members of OusiaDAOLLC and
participate in OusiaDAOactivities
AGAPE holders can participate in the
decision-making of the OusiaDAO.
You can also receive Ousia'sown
rewards
How to Earn Tokens
•Jump to the employee
application form on the
OusiaDAOdiscord or
the OusiaNFTsite and
purchase an "ARCHE"
NFT.
•Apply for membership
from the DAO member
application form in
OusiaDAO'sdiscord and
earn (limited to 100)
•Earned as a reward
for performing tasks
within OusiaDAO
How to use tokens
•Proof of OusiaDAO
Employee
•Proof of OusiaDAO
membership
•Ousia's Exclusive
Rewards
*See the next page
for details.

15. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 15
Supplement: About AGAPE
The governance token "AGAPE" will be exchangeable in five ways: governance tokens,
metaverse items, partner products and services, use as corporate welfare services, and
donations to developing countries
Democratizati
on of
education
you
Task Execution AGAPE
Governance Token Distribution System Ousia'sExclusive Rewards
2
P,C) Redeem for items on the Edversecampus
3P,C) Redeem for goods and services from Ousiapartners
4C) Exchange for employee benefits services
5
P,C) Donations to Children in Developing Countries
* NFT issuance as proof of donation
1
P,C) Participation in Ousiaevents
•developm
ent
•dispatch
•Held
•professor

16. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 16
OusiaDAO's Project Structure
OusiaDAOis divided into three forms: employees, DAO members, and community members, with employees
being "executive employees" and "other employees" and DAO members being divided into four groups:
"Creators," "Sharers," "Eventers," and "Teachers"
Overall Organizational Picture
Exective
Player
(Community
Member)
Details of each member form
mooner
(DAO Member)
Executive
Employees
Other Employees
Creator
employee
Vision
Sharer
Teacher
Eventer
Employees who are directly involved
in the execution of the company's
business and participate in decision-
making
Employees who are not directly
involved in the operation of the
company and can only receive profit
sharing
Members who develop the platform,
develop world items within the
platform, develop avatars, etc.
Members who share OusiaDAO's
activities on social media
Members who plan and hold Web3/4
events for both inside and outside
Japan
Members who share knowledge
related to Web3/4, hold study
sessions, and provide coaching

17. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 17
OusiaDAO's Future Organizational Vision
Generate AI businesses
Other companies that
provide social value
Advanced Business Development Platform "Chaos"
Metaverse Companies Blockchain Companies
GraduatesOusia Member
OusiaDAO
1.Metaverse Consulting Business
2.Metaverse Development Projects
3.Metaverse Research
1.Generative AI Consulting Business
2.Generative AI Development Business
3.Generative AI Research
1.Blockchain Consulting
Business
2.Blockchain Development
Business
3.Blockchain Research
1.SDGs Promotion Projects
2.Coaching Business
3.Entertainment Business
Donations Donations
OusiaDAOalumni and Ousiamembers will work together to create a system that creates new
businesses and brings new value to society.

18. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 18
agenda
Purpose
OusiaDAOLLC
We hope that you will understand
the company profile.
Our activities to realize our vision
of "democratization of education"
Interest
Introduction of the company
profile and vision
Introduction of business
overview
Introduction of the DAO
structure and key members
Introducing the Roadmap

19. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 19
OusiaDAO's Business Roadmap
In order to realize the vision of "democratization of education" in 2040, OusiaDAOwill develop a metaverse
platform for OusiaDAO'smain business, the Edversebusiness, in 2030, and build an environment where everyone
can access education
「OusiaUniversity」
「OusiaSchool」
Opening
"Democratization of
Education"
Realization of
2040
Web3 Consulting
EdverseEvents
20352030202620252024
1.Developing a
Web3 consulting
business
2.Regularly host
Edverseevents
1.Expansion of
Web3 consulting
business
2.EdverseWorld
Building "Ousia"
in Spatial
3.Conduct regular
Edverseevents
1.MVP
development
of Edverse
platform
"Ousia"
2.Homeschool
Platforms
MVP
development
of "LearnHop"
1.This release of
the Edverse
platform
2.LearnHopBook
Release
3."KESHIPIN" app
will be closed
4.Web3 consulting
projects will be
in a stable state
of acquisition
1.Edverse
partners reach
100
2.In addition,
the "OUSIA"
original
metaverse
university and
school will be
established on
Edverse
3.100 million
users of
LearnHop
1.Edverseプラットフォ
ームユーザー数 20億
人（全世界の人が「
Ousia」にアクセス可
能）
2.OusiaUniversity
生が1万人
3.OusiaSchool生が
5,000人
4.「LearnHop」ユーザ
ー数が5億人
売上：500万
利益：350万
売上：1.1億円
利益：2,923万
売上：3.9億
利益：1.3億
売上：102億
利益：51億
売上：300億
利益：100億
売上：1,000億
利益：500億
Edverse"Ousia"
v1.0 release
Edverse"Ousia" and
"LearnHop"
MVP Development
Edverse"Ousia" and
"LearnHop"
This release

20. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 20
"OUSIA" Campus Development Roadmap
The "OUSIA" campus will build a Web4 -type metaverse platform for metaverse ×AI ×
blockchain in four stages toward the official release of the full campus version in 2030
Metaverse World
20302027202620252024
1.Building the
foundation for the 3D
metaverse space
2.Prototype verification
through educational
events
1.Introduction of Digital
Human Teachers
2.Implementing AI-
based educational
content generation
capabilities
1.Opening up a full-
fledged metaverse
education platform
2.Realization of
cross-reality
collaboration such
as AR and XR
1.Issuance of Ousia's
original token
"AGAPE" and full
integration of the
token economy
2.Launch of Educational
Content Marketplace
Cost: 0 yen
Cost：3 million
Cost：50 million
Cost：500 million
Metaverse World
×
Digital Humans
Metaverse Platforms
×
Digital Humans
Metaverse Platforms
×Digital Humans
×Token Economy
"OUSIA" Campus
The full version of the
Officially released
Cost：2 billion
1.Metaverse schools of
educational
institutions from all
over the world gather
on the metaverse
platform "OUSIA"
2.OusiaOriginal School
University opens (free
of charge)
Phase 1 Phase 2 Phase 3 Phase 4 Phase Final
Pre-seed seed Pre-SeriesA SeriesA SeriesB~

21. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 21
Appendix
Appendix
Other related to this material
Information materials from this
slide onwards
publish
EdTech and Metaverse Market
Opportunities
Business Model
Business Plans and Financial
Plans
Past Achievements

22. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 22
Appendix
Appendix
Other related to this material
Information materials from this
slide onwards
publish
EdTech and Metaverse Market
Opportunities
Business Model
Business Plans and Financial
Plans
Past Achievements

23. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 23
Edverse-related market size
❑The global EdTech market is projected to be worth $452.4 billion by 2028 (CAGR of 14.3%)
❑The global metaverse market is projected to be worth $1,020.6 billion by 2030 (CAGR of 45.5%)
EdTech market size*1 Global metaverse market size*2
*1: EdTech Market: Global Industry Trends, Share, Size, Growth, Opportunity and
Forecast 2023-2028
(Global Information Co., Ltd.)
*2: Global Metaverse Market: 2023~2030
(Global Information Co., Ltd.)
0
2000
4000
6000
8000
10000
12000
2022年 2024年 2026年 2028年 2030年
CAGR:45.5%
億ドル
0
2000
4000
6000
8000
10000
12000
2022年 2024年 2026年 2028年
CAGR:14.3%
億ドル

24. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved.
A VR platform dedicated
to language learning that
provides a realistic
interactive experience.
Providing high-quality 3D
collaboration tools
An education-focused
metaverse platform from
India that uses VR/AR
technology to enhance
the educational
experience.
A VR social platform from
Japan that provides
events and virtual space
interactions.
Strengths in a specific
field of education
(language learning) and
success in monetizing in
niche markets.
It has an extensive user
base and diverse
business models.
It is growing rapidly,
mainly in the Indian
market.
It has a strong user base
in Japan and monetizes
by hosting events.
Immersive language
learning through real-
time interaction with
native speakers.
Its strength is mainly in
business collaboration,
and it is expanding to
educational applications.
A wealth of education-
specific content and
strong collaboration with
local educational
institutions.
It is mainly strong in
entertainment and social
interaction, and has few
educational content.
24
EdverseCompetitive Analysis of Domains
Spatial is the top rated for technical superiority and market reach, Edverseis strong in educational
value and regional specialization, Cluster is strong in entertainment, and Immerse is the Edverse
platform dedicated to language learning
f
e
a
t
u
r
e
Tech
Busines
ses
Educatio
n
Edverse（India） Cluster（Japan） ImmerseVRChat（OUSIA）

25. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 25
Appendix
Appendix
Other related to this material
Information materials from this
slide onwards
publish
EdTech and Metaverse Market
Opportunities
Business Model
Business Plans and Financial
Plans
Past Achievements

26. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 26
Business model diagram of Edversebusiness
OusiaDAO'sbusiness model has three perspectives: enterprise, customer, and fans. The main
sources of revenue are platform usage fees and advertising revenue for educational institutions
and companies
Web4.0 Metaverse Campus“OUSIA”
Homeschooling platform
“LearnHop”
❸OusiaCampus
Token Fees
❺Donations
❶Platform
Usage fee
❷Advertising revenue
to Business to Customer to Fan
Ousia University Ousia School LearnHop
❻
Donation Fees
❼
Donation fee
User→Host Host→User
Peer
Assessment
❹OusiaNFT
HostUser
lending
ser
vice
Rev
enu
e
Str
ea
ms

27. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 27
EdverseBusiness Model Campus
This business is a platform business.
Coststructure Revenuestreams
Keypartners Keyactivities Valuepromotion Customerrelationships Customersegments
Channels
Keyresources
•investor
•Educational Service Providers
•Educational service recipients
•educational institution
•System Developers
•Video & Live Systems
•Web Developer
•Metaverse Development
Company
•AI Development Company
•Blockchain Development
Company
•Administrators of each area
•Maintaining the Platform
•Providing customer support
•market research
•Dissemination of activities
(process economy)
•Sales & Marketing
•Global Community
Members
•developer
•platform
•Educational Content
•Individual users can use the
platform for free
•Wide range of academic
options
•High-quality lectures (digital
teachers from renowned
lecturers from all over the
world)
•Lectures will be archived so
that past lectures can also be
viewed
•Form an event area and do it
yourself
•Event planning is possible
•Global Exchange
•Built-in donation function
•self-service
•Customer Support
•Matching of lecturers and
audience members (guidance)
•Dissemination of event
schedules
•Web
•word of mouth
•SNS
•blog
•Video & Live Streaming
•Metaverse Platforms
•People all over the world who
have devices connected to
the Internet
•Those who are intellectually
curious and want to listen to
lectures by experts
•People who want to share
their goals and expertise
•Educational institutions
around the world that want to
open a metaverse school
•People who want to be
involved in a global DAO in
the field of education
•Platform Development & Maintenance
•Metaverse Development and Operation Costs
•Digital Human Development and Operation Costs
•Blockchain development and operation costs
•marketing
•Platform Usage Fee
•Advertising revenue (businesses and educational institutions)
•Tipping and item fees
•Event Area Rental Fee
•User Tuition Fees
1 2
3
7
6
8 9
Business Model Campus
4 5

28. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 28
Appendix
Appendix
Other related to this material
Information materials from this
slide onwards
publish
EdTech and Metaverse Market
Opportunities
Business Model
Business Plans and Financial
Plans
Past Achievements

29. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 29
Business Plans and Financial Plans
OusiaDAO'sbusiness plan and financial plan are summarized in separate materials as follows,
and can be accessed from the reference link
Business Plan Financial Plans
参考：https://docs.google.com/document/d/1AWwxeOnJDE5Yhk1XP5cyZUsQWi5sU_ -Q/edit#heading=h.3dy6vkm

30. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 30
Appendix
Appendix
Other related to this material
Information materials from this
slide onwards
publish
EdTech and Metaverse Market
Opportunities
Business Model
Business Plans and Financial
Plans
Past Achievements

31. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 31
Event(1):DEP (Dream & Expert Presentation)
DEP is an event where students and professionals present their dreams, goals, expertise, and experiences
In the past, we have held about 6 meetings, with a total of about 200 people participating

32. CONFIDENTIAL AND PROPRIETARY I © 2024 OusiaDAO, LLC. and/or its affiliates. All rights reserved. 32
Event②：Metacra
Metakurais an event where elementary school students from all over the country gather as a team to create a
school in the metaverse. A total of two events were held, the first of which was attended by 50 elementary
school students mainly in Toyama, and the second event was held by 30 elementary school students mainly in
Kochi.

33. This document was created for OusiaDAO'scustomers, and we do
not allow it to be disclosed to any third party without our prior
written consent.
住所：〒150-0044 東京都渋谷区円山町５ −５ Navi渋谷Ⅴ 3階
電話：[phone]
URL：https://www.ousiadao.com/