Artist.
Japanese name: 楼色 孝紀 (Takashina Kouki)
The other names: "KOH", たかしなん (Takashinan) or たかしにゃん (Takashinyan)
Circle name: H.C.N
https://www.pixiv.net/users/122779
https://www.pixiv.net/stacc/torisama
https://twitter.com/torisamagoya
https://twitter.com/intent/user?user_id=2802204980
https://hcn-web.booth.pm
https://sketch.pixiv.net/@torisama
https://www.tinami.com/creator/profile/4011
http://privatter.net/u/torisamagoya
http://portal.circle.ms/Circle/Index/10135923
http://webcatalog.circle.ms/Perma/Circle/10135923
http://twpf.jp/torisamagoya
