Artist.
Japanese name: ゆびこ (Yubiko)
Old name: いたいけ (Itaike)
Site name: FXXKIN'XOXOXO
https://www.pixiv.net/users/4232645
https://www.pixiv.net/stacc/ritsuko_itaike
https://twitter.com/mtrkgirl02
https://twitter.com/intent/user?user_id=1211796001167556608
https://sketch.pixiv.net/@ritsuko_itaike
https://nakayubiko.tumblr.com
http://privatter.net/u/kekgk
http://twpf.jp/kekgk
https://twitter.com/kekgk
