Artist.
Nickname: tkhs (pronounced "Takahashi")
The other name: ぺに健 (Peniken), たなか・P・健一 (Tanaka P. Ken'ichi) or ﾄｩｸ
Circle name: Santa Fe Radio
tkhs: Non-explicit works
ぺに健 (Peniken): Explicit works
https://www.pixiv.net/users/12579
https://www.pixiv.net/users/6420739
https://www.pixiv.net/stacc/asakist
https://www.pixiv.net/stacc/kahun_show
https://twitter.com/heso_tea
https://twitter.com/peni_peniken
https://twitter.com/intent/user?user_id=17111139
https://twitter.com/intent/user?user_id=172102964
https://nijie.info/members.php?id=1121
https://pawoo.net/@peni_peniken
https://pawoo.net/web/accounts/195534
https://peniken.fanbox.cc
https://www.pixiv.net/fanbox/creator/6420739
https://sketch.pixiv.net/@asakist
https://sketch.pixiv.net/@kahun_show
https://skeb.jp/@peni_peniken
http://www.tinami.com/profile/118826
https://www.tinami.com/creator/profile/20426
https://e-tkhs.tumblr.com
https://peni-ken.tumblr.com
https://webcatalog-free.circle.ms/Circle/11611468
http://www.doujinshi.org/browse/author/76037/tkhs/
http://twitpic.com/photos/heso_tea
http://twitpic.com/photos/mr_tkhs