https://www.pixiv.net/users/5388661
https://www.pixiv.net/stacc/chitekkurin
https://twitter.com/chitekkurin023
https://twitter.com/intent/user?user_id=727384170557804544
https://seiga.nicovideo.jp/user/illust/27002314
https://www.nicovideo.jp/user/27002314
https://pawoo.net/@chitekkurin
https://pawoo.net/web/accounts/184759
https://sketch.pixiv.net/@chitekkurin
http://piapro.jp/chitekkurin