https://www.pixiv.net/users/16420966
https://www.pixiv.net/stacc/ototsukiharu
https://twitter.com/ototsukiharu
https://twitter.com/intent/user?user_id=1253949130189049859
https://sketch.pixiv.net/@ototsukiharu
https://skeb.jp/@ototsukiharu
https://bsky.app/profile/karakusa.bsky.social
https://bsky.app/profile/did:plc:sqykzdehrf3hfm6eg6xwm664
