Artist. Formerly tagged as esesinshi.
Japanese name: 高咲 圭介 (Takazaki Keisuke)
Old name: エセ紳士 (Ese Shinshi)
Joint circle name: APNEET (circle partner: Tenpa_(tenpalion444))
https://www.pixiv.net/users/9962024
https://www.pixiv.net/stacc/t_thekey
https://twitter.com/Tthe_key
https://twitter.com/intent/user?user_id=2269548348
https://seiga.nicovideo.jp/user/illust/38575629
https://www.nicovideo.jp/user/38575629
https://pawoo.net/@t_thekey
https://the-key.fanbox.cc
https://www.pixiv.net/fanbox/creator/9962024
https://sketch.pixiv.net/@t_thekey
https://ask.fm/Tthe_key
https://www.mottohomete.net/Tthe_key
https://peing.net/ja/tthe_key
http://www.twitcasting.tv/tthe_key
https://twitcasting.tv/tthe_key
http://twowisdom.wixsite.com/winered
https://www.pixiv.net/users/2902828
https://www.pixiv.net/stacc/esesinshi
https://twitter.com/esesinshi
