Artist. Formerly tagged as pompa.
Japanese name: 坂本 (Sakamoto) (reading is a best guess)
https://www.pixiv.net/users/359962
https://www.pixiv.net/stacc/pompa
https://twitter.com/pomtellus
https://twitter.com/yonayona_co
https://twitter.com/intent/user?user_id=141835316
https://twitter.com/intent/user?user_id=2994442884
https://seiga.nicovideo.jp/user/illust/1204482
https://www.nicovideo.jp/user/1204482
https://sketch.pixiv.net/@pompa
http://twitpic.com/photos/pomtellus
