Artist.
Japanese name: ジュウゴ (Juugo)
Circle name: 3個入 (Sankoiri or 3koiri)
http://privatter.net/u/jyugo3
http://portal.circle.ms/Circle/Index/10264080
http://webcatalog.circle.ms/Perma/Circle/10264080
https://www.pixiv.net/users/8045472
https://www.pixiv.net/users/22052789
https://www.pixiv.net/stacc/1goooo
https://www.pixiv.net/stacc/user_wgtg5727
https://twitter.com/Jyugo3
https://twitter.com/kaga_info
https://twitter.com/intent/user?user_id=347718590
http://privatter.net/u/jyugo3_a