Artist.
Japanese name: ぱいしぇん (Paishen)
Old names: るいざせんぱい (Ruiza Senpai), るいざさん (Ruiza-san), 腹筋ぱいせん (Fukkin Paisen)
Circle name: チームタテガミ (Team Tategami) (circle partner: Bigomura)
https://www.pixiv.net/users/9308877
https://www.pixiv.net/stacc/mtiger
https://twitter.com/INUTOBI21
https://twitter.com/intent/user?user_id=413184368
https://pawoo.net/@mtiger
https://pawoo.net/web/accounts/194202
https://tategami.fanbox.cc
https://www.pixiv.net/fanbox/creator/9308877
https://sketch.pixiv.net/@mtiger
https://privatter.net/u/yulva21
http://portal.circle.ms/Circle/Index/10356269
https://www.melonbooks.co.jp/search/search.php?mode=search&text_type=author&name=ぱいしぇん
https://marshmallow-qa.com/yulva21
https://twitter.com/YULVA21
