Artist.
Japanese name: 蓮 (れん, Ren)
Circle & site name: ロジコ (rojiko)
https://www.pixiv.net/users/897711
https://www.pixiv.net/stacc/ren_tt
https://twitter.com/53m20BspsaMgBVc
https://twitter.com/intent/user?user_id=962608151538237441
https://rojiko.booth.pm
https://pawoo.net/@ren_tttt
https://pawoo.net/web/accounts/377645
https://sketch.pixiv.net/@ren_tt