https://www.pixiv.net/users/958757
https://www.pixiv.net/stacc/tobitanikiichi
https://twitter.com/nikiichi_tobita
https://twitter.com/intent/user?user_id=3021449970
https://sketch.pixiv.net/@tobitanikiichi
https://www.amazon.co.jp/stores/-/author/B0786F31CK
https://ja.wikipedia.org/wiki/飛田ニキイチ
https://bsky.app/profile/nikiichi.bsky.social
https://bsky.app/profile/did:plc:p3n3z34nxrhfqycupucp53wc
