Shikibu World
Character licensing
for the AI era
A 2026 license for a character IP meant to last 100 years.
Shikibu-chan, created by BUSON in 2016, is a character IP with over 1 million combined social media followers and official collaborations with public institutions (including the Japan Fair Trade Commission, Dive, Johnson, and others).
This site publishes the official copyright guidelines and terms of service so that NFT holders and creators can engage in creative activities with confidence.
Note on authoritative language
The Japanese text is the authoritative version of all guidelines, terms, and legal documents. This English version is provided as a reference summary for international holders.
What's New
The six pillars of the 2026 revision
The v3.1 draft revision is structured around these six principles.
Supplementary & Decorative Use
No character-centric businesses
AI-generated content prohibited
AI assistance (coloring, translation) allowed
No new secondary NFT issuance
Secondary trading of original NFTs is OK
3-route system
Individual consultations discontinued
Group-consolidated revenue test
JPY 200M threshold (parent/sub/affiliates)
Fan-work identification obligation
fanfic logo + license certificate
Main documents
Draft under public review
The effective date will be announced separately. Content may change during the public comment period. Existing operations at buson2025.com/nft-directory/ remain valid.