Artist. Formerly tagged as mamuu.
Japanese name: 八三 (reading is given as はっさん, Hassan)
https://www.pixiv.net/users/637197
https://www.pixiv.net/stacc/sink916
https://twitter.com/xxhachisan
https://twitter.com/intent/user?user_id=886975237
http://www.nicovideo.jp/mylist/61784408
https://sketch.pixiv.net/@sink916
http://piapro.jp/xx83
https://odaibako.net/u/xxhachisan
https://twitter.com/x8x3x_k
http://p.twipple.jp/user/x8x3x
http://twitpic.com/photos/x8x3x
http://twitpic.com/photos/x8x3x_k
http://twitpic.com/photos/xxhachisan
