Artist, eromangaka.
Japanese name: ちん (Chin or Tinn)
Nickname as a mangaka: 久川 ちん (Hisakawa Chin)
Circle & site name: あつあつむちむち (AtsuAtsuMuchiMuchi) aka. Atsumuchi
Old circle name: メガキー
https://www.pixiv.net/users/3792
https://www.pixiv.net/stacc/tinn
https://twitter.com/tinnn
https://twitter.com/ttiinn333
https://twitter.com/intent/user?user_id=17656191
https://twitter.com/intent/user?user_id=1530691203381219328
https://nijie.info/members.php?id=39367
https://atumuchi.fanbox.cc
https://www.pixiv.net/fanbox/creator/3792
https://sketch.pixiv.net/@tinn
https://www.tinami.com/creator/profile/24644
http://tinnn.blog.fc2.com
http://atumuchi.exblog.jp
http://www12.ocn.ne.jp/~his15/
http://pixiv.cc/tinn
http://twitpic.com/photos/10099348
http://twitpic.com/photos/tinnn