Male artist, illustrator, character designer, eromangaka.
Name: Tomoyuki Kotani (コタニトモユキ / 小谷智之)
Pen name: Kotatsu Tomodachi (コタツトモダチ / 小燵トモダチ)
Old/alternate nickname: styleos
An ex-SNK employee, Kotani designed K', Maxima, Angel, Krizalid and many more characters for SNK between 1998-2002.
https://www.pixiv.net/users/1081085
https://www.pixiv.net/stacc/styleos
https://twitter.com/Styleos_
https://twitter.com/styleos_fix
https://twitter.com/intent/user?user_id=1583545105
https://twitter.com/intent/user?user_id=2453789040
https://www.deviantart.com/styleos
https://fantia.jp/fanclubs/10618
https://pawoo.net/@styleos
https://pawoo.net/web/accounts/61904
https://styleos.fanbox.cc
https://www.pixiv.net/fanbox/creator/1081085
https://sketch.pixiv.net/@styleos
https://www.patreon.com/futa_tsu
https://www.patreon.com/user?u=4571275
http://doujinshi.mugimugi.org/browse/author/16382/Kotani-Tomoyuki/
https://en.wikipedia.org/wiki/Toshiyuki_Kotani
https://kotatsufix.tumblr.com
http://blog3.fc2.com/pdw/
http://pdw.blog.fc2.com