Artist.
Japanese name: 行政 (reading is given as Yukimasa)
Site name: NKK145
https://www.pixiv.net/users/5063
https://www.pixiv.net/stacc/fgs
https://twitter.com/yuki_masa
https://twitter.com/intent/user?user_id=16783602
https://yukimasa.fanbox.cc
https://www.pixiv.net/fanbox/creator/5063
https://sketch.pixiv.net/@fgs
http://www94.sakura.ne.jp/~fgs/
https://enty.jp/P5cpSjydEYoa
http://twitpic.com/photos/yuki_masa
