Terms of Use

Terms of Use BoundBonePro — Reference Translation

VERSION 1.1 LAST UPDATED 2026 / 04 / 21 AUTHORITATIVE LANGUAGE Japanese
The Japanese version of these terms is the authoritative text. This English translation is provided for reference only. In case of any discrepancy between this translation and the Japanese original, the Japanese version shall prevail.

Key Changes in v1.1

Table of Contents

  1. 01Preamble
  2. 02Definitions
  3. 03Grant of License
  4. 04Prohibitions
  5. 05Corporate License
  6. 06Copyright & IP
  7. 07Termination
  8. 08Updates & Support
  9. 09Network Communication
  10. 10Disclaimer
  11. 11Returns & Refunds
  12. 12Changes to Terms
  13. 13Severability
  14. 14Governing Law
  15. 15Third-Party Software
  16. 16Contact

01Preamble

These Terms of Use (hereinafter "Terms") set forth the conditions governing the use of "BoundBonePro" (hereinafter "the Tool"), a Unity Editor extension tool created and sold by Ajisai Hiroba (hereinafter "the Developer"). By downloading, installing, or using the Tool, the Purchaser is deemed to have agreed to these Terms.

If a minor intends to purchase or use the Tool, they must obtain consent from their legal guardian (parent) before doing so.

02Definitions

TermDefinition
the ToolAll files included in BoundBonePro (DLL, configuration files, documentation, icons, etc.)
Standard EditionStandard license sold on BOOTH (¥1,000). For personal non-commercial use and free distribution
Commercial License EditionCommercial license sold on BOOTH (¥5,000). For paid sales and paid commission work. Includes perpetual update guarantee
PurchaserAn individual who purchased the Tool (Standard Edition or Commercial License Edition) through legitimate sales channels such as BOOTH
Output DataAvatar data generated/configured using the Tool (PhysBone, weights, AnimatorController, Expression Menu, etc.)
End UserA third party who legitimately obtains an avatar set up using the Tool (avatar buyer/recipient)
Monetary ExchangeExchange of money, goods, cryptocurrency, services, or other economic consideration. Excludes only clearly gratuitous gifts/transfers
Commercial UseAny use involving Monetary Exchange, including avatar commission work, sales, and paid setup work
Corporate UseUse by an organization with corporate status (corporations, LLCs, general incorporated associations, NPOs, etc.), or by their employees/contractors as part of organizational business. Sole proprietors are excluded

03Grant of License

3.1 Standard Edition License (¥1,000)

The Developer grants the Purchaser of the Standard Edition the following non-exclusive, non-transferable rights:

The following are NOT permitted under the Standard Edition (Commercial License Edition required):

3.2 Commercial License Edition (¥5,000)

The Developer grants the Purchaser of the Commercial License Edition all rights of Section 3.1, plus:

Determination Standard

The Commercial License Edition is sold as a separate plan within the same BOOTH product page (https://ajisaiflow.booth.pm/items/8025925) as the Standard Edition. Please select your desired plan when purchasing from the product page.

3.3 Treatment of Output Data

3.4 Status of End Users (Detachment Doctrine)

A third party (End User) who legitimately obtains an avatar set up using the Tool is not bound by these Terms. End Users are subject only to the terms of use between themselves and the creator who sold/distributed the avatar.

End Users may freely:

However, if an End User obtains the Tool itself (DLL files), they may not use or retain such files in accordance with Section 4.1 (No Redistribution) of these Terms.

3.5 Notification Obligation for Sales/Distribution (Auto-Permission System)

When publishing avatars set up using the Tool in any of the following forms, prior permission is not required, but you must notify the contact in Section 16 (Discord or X DM) of the publication URL within 30 days of the start of publication.

Forms subject to notification

Forms not requiring notification

If the Developer discovers a violation of these Terms, the Developer may revoke the license individually (Section 7).

3.6 Credit Notation Obligation

When publishing avatars set up using the Tool in the forms specified in Section 3.5, the following notation is mandatory.

Required Content

Example

Body Physics Setup: BoundBonePro
https://ajisaiflow.booth.pm/items/8025925

Notation Location

(Depending on publication form, satisfy at least one of the following)

Publication FormNotation Location
BOOTH sales/distribution pageProduct page description, or bundled README/LICENSE file
GitHub repository distributionREADME.md or LICENSE file
VRChat PublicAvatarAvatar Description field
Streaming/video posting (YouTube, Twitch, Niconico, etc.)Video description, or stream description
Video productions (PV, MV, CM, short videos, VR videos, commercial videos, etc.)End credits, video description, or work introduction page

Exception: Private transfer to an individual friend has no notation obligation.

Regarding Use in Video Productions

When using avatars set up with this Tool in video productions, the required content (Name + URL) above must be displayed for each avatar used. When using multiple avatars, they may be listed together in one location.

3.7 Commission Work

3.8 Use on Multiple Devices

04Prohibitions

The following acts are prohibited.

4.1 Redistribution and Transfer

4.2 Reverse Engineering

4.3 Modification and Derivative Works

4.4 License Circumvention

4.5 Explicit Provisions on Adult Content

The Tool may be used for avatars containing adult (sexual) content within the scope of legality.

Permitted Conditions

Explicitly Prohibited Expressions

The Developer will not revoke the license solely on the grounds that the content is adult-oriented. Compliance with the regulations of each country and sales platform is the responsibility of the Purchaser.

4.6 Other Prohibited Acts

05Corporate License

When an organization with corporate status (corporations, LLCs, general incorporated associations, NPOs, etc.) uses the Tool for business purposes, regardless of revenue size, prior contact with the Developer is required. Business use through purchase of the Standard Edition or Commercial License Edition is not permitted.

Note: Sole proprietors (including blue/white tax filers, with or without trade names) are treated as individuals and are excluded from this section. Sole proprietors should purchase the Standard Edition or Commercial License Edition.

The following licenses are provided according to the form of corporate use:

Use FormLicense Form
General corporate use (internal use, in-house product development, etc.)Individual negotiation
Commission work company (corporations whose business is VRChat avatar production/setup)1 corporation, 1 annual fixed-rate contract, unlimited seats

Pricing and contract terms are by individual negotiation, determined according to the corporation's size and form of use. For inquiries regarding corporate use, please contact via Section 16.

06Copyright and Intellectual Property

07Termination of License

08Updates and Support

8.1 Updates

8.2 Support

09Network Communication

The Tool conducts internet communication for the purpose of checking for updates. This communication only verifies the Tool's version information; no personal information or project data is transmitted.

10Disclaimer and Warranty Disclaimer

11Returns and Refunds

12Changes to Terms

13Severability

If any provision of these Terms is judged to be invalid or unenforceable by law, the validity of the remaining provisions shall not be affected. Provisions judged invalid shall be replaced with valid content closest to the intent of the original provision.

14Governing Law and Jurisdiction

15Third-Party Software

The Tool operates in conjunction with the following software/packages, which are not included in the Tool. Please follow the license of each software.

PackageLicense / Note
VRChat SDK (com.vrchat.avatars)VRChat SDK License / Required
Modular Avatar (nadena.dev.modular-avatar)MIT / Optional (used for menu generation)
Avatar Optimizer (com.anatawa12.avatar-optimizer)MIT / Optional
lilToon (jp.lilxyzw.liltoon)MIT / Optional (used for depth bias and Squish features)
NDMF (nadena.dev.ndmf)MIT / Dependency of Modular Avatar

16Contact

ItemContact
DeveloperAjisai Hiroba (紫陽花広場)
DiscordAjisai Hiroba Server
X (Twitter)@recaptray
BOOTHAjisai Hiroba Shop
BoundBonePro Product Pagehttps://ajisaiflow.booth.pm/items/8025925

For sales/distribution notifications (Section 3.5), corporate license inquiries (Section 5), and other questions, please contact us through any of the above.

If you have any questions about these Terms, please feel free to contact us through the above contacts.
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