https://www.pixiv.net/users/25943469
https://www.pixiv.net/stacc/kokuin_project
https://kokuin.fanbox.cc
https://sketch.pixiv.net/@kokuin_project
https://bsky.app/profile/kokuin.bsky.social
https://bsky.app/profile/did:plc:6ciuvnvdz4exhtvyow4bgrlp
https://www.tiktok.com/@kokuin250
https://twitter.com/Kokuin250
https://twitter.com/intent/user?user_id=914711935370665984
https://www.youtube.com/@kokuinch
https://mstdn.jp/@kokuin
https://peing.net/kokuin250