https://www.pixiv.net/users/194170
https://www.pixiv.net/stacc/okadasin
https://twitter.com/Tan4D
https://twitter.com/intent/user?user_id=99118546
https://seiga.nicovideo.jp/user/illust/8174943
https://www.nicovideo.jp/user/8174943
https://pawoo.net/@okadasin
https://pawoo.net/web/accounts/173383
https://sketch.pixiv.net/@okadasin
