Artist. Formerly tagged as kaisen02_(kaisen_donburi).
Japanese name: 海鮮丼 (かいせんどん, Kaisendon)
https://www.pixiv.net/users/16339678
https://www.pixiv.net/stacc/0206020
https://seiga.nicovideo.jp/user/illust/12298134
https://www.nicovideo.jp/user/12298134
https://www.pixiv.net/users/997038
https://www.pixiv.net/users/9802678
https://www.pixiv.net/stacc/02111010
https://twitter.com/sa_kaisen
http://p.twipple.jp/user/kaisen02
http://twitpic.com/photos/kaisen02