Artist.
Japanese name: とい or と/い (Toi)
Old name: 十色 (Toiro)
Site name: toiot
https://www.pixiv.net/users/1000319
https://www.pixiv.net/stacc/toiro8149
https://twitter.com/oisi10
https://twitter.com/intent/user?user_id=1053056533
https://pawoo.net/@oisi10
https://pawoo.net/web/accounts/28440
https://sketch.pixiv.net/@toiro8149
https://oisi10.tumblr.com
https://misskey.io/@oisi10
https://misskey.io/users/9brc8mccav
http://privatter.net/u/oisi10
https://twitter.com/toiro74
http://p.twipple.jp/user/oisi10
http://p.twipple.jp/user/toiro74
http://twitpic.com/photos/toiro74