Artist. Formerly taggged as usazukin.
Japanese name: りひと (Rihito) or りひとん (Rihiton)
https://www.pixiv.net/users/1463626
https://www.pixiv.net/stacc/usazukin
https://twitter.com/re_rihito
https://twitter.com/intent/user?user_id=127750864
https://seiga.nicovideo.jp/user/illust/962125
https://www.nicovideo.jp/user/962125
https://nijie.info/members.php?id=31862
https://pawoo.net/@usazukin
https://pawoo.net/web/accounts/181063
https://sketch.pixiv.net/@usazukin
https://skeb.jp/@re_rihito
https://www.stickam.jp/profile/re_rihito
http://peing.net/usazukin
http://togetter.com/id/re_rihito
http://p.twipple.jp/user/re_rihito
http://twpf.jp/re_rihito
http://yfrog.com/user/re_rihito/photos