Mangaka, illustrator.
Japanese name: 虎哉 孝征 (correct reading is こさいたかゆき, Kosai Takayuki)
Pixiv nickname: とらや (Toraya)
https://www.pixiv.net/users/71601092
https://www.pixiv.net/stacc/user_gssv8345
https://twitter.com/torako_k802
https://twitter.com/toraya_takamasa
https://twitter.com/intent/user?user_id=263128739
https://twitter.com/intent/user?user_id=1621910045217927170
http://www.amazon.co.jp/虎哉-孝征/e/B00MI0OZPG/
http://www.amazon.co.jp/虎哉-孝征/e/B004LV05T0/
http://www.mangaupdates.com/authors.html?id=10799
http://ja.wikipedia.org/wiki/虎哉孝征
https://www.pixiv.net/users/6670999
https://www.pixiv.net/stacc/toraya802
