Artist. Formerly tagged as uen_0115.
Name (1): ぴこ (Piko)
Name (2): ぴろ (Piro)
The other names: ごもく (Gomoku), あがた (Agata), ぴ (Pi) or "p"
(The artist had a sumomo account, too.)
https://www.pixiv.net/users/6337758
https://www.pixiv.net/stacc/0273_3
https://twitter.com/0_2_7_3_
https://twitter.com/intent/user?user_id=2373486606
https://seiga.nicovideo.jp/user/illust/15433492
https://www.nicovideo.jp/user/15433492
https://pawoo.net/@uen_0115
https://pawoo.net/web/accounts/589797
https://sketch.pixiv.net/@0273_3
https://sketch.pixiv.net/@uen_0115
https://ask.fm/picco_rino
http://privatter.net/u/0_2_7_3_
http://privatter.net/u/0273_G
http://privatter.net/u/gmk_mkmk
http://twpf.jp/0_2_7_3_
http://twpf.jp/0_2_7_3__
http://twpf.jp/0273_G
https://www.pixiv.net/users/1571734
https://www.pixiv.net/users/5187384
https://www.pixiv.net/stacc/picoron0273
https://www.pixiv.net/stacc/uen_0115
https://twitter.com/0_2_7_3__
https://twitter.com/0273_g
https://twitter.com/intent/user?user_id=292722680
http://p.twipple.jp/user/0_2_7_3_
http://p.twipple.jp/user/gmk_mkmk
http://p.twipple.jp/user/gmk_mkmkmk
http://p.twipple.jp/user/picco_rino
http://twitpic.com/photos/0_2_7_3_
http://twitpic.com/photos/0273_o
http://twitpic.com/photos/gmk_mkmk
http://twitpic.com/photos/gmk_mkmkmk
http://twitpic.com/photos/mgk_mkmk
http://twitpic.com/photos/picco_rino