Artist. Formerly, mistakenly tagged as iwaki byou or byo.
Japanese name: 岩城 秒 (Iwashiro Byou) (Reading is given by the artist)
Circle & site name: ROSETTA (ロゼッタ)
https://www.pixiv.net/users/696961
https://www.pixiv.net/stacc/i_byo
https://twitter.com/Byou_new_
https://twitter.com/_SH_yuri
https://twitter.com/apar_anthology
https://twitter.com/i_byou
https://twitter.com/intent/user?user_id=296408888
https://twitter.com/intent/user?user_id=390785728
https://twitter.com/intent/user?user_id=1154168539
https://twitter.com/intent/user?user_id=845960513192427520
https://twitter.com/bare_byou
https://twitter.com/u_byou
http://p.twipple.jp/user/i_Byou
http://p.twipple.jp/user/u_byou
http://twitpic.com/photos/i_Byou