https://www.pixiv.net/users/4441841
https://www.pixiv.net/stacc/llgatchu
https://twitter.com/_gatchu
https://twitter.com/intent/user?user_id=3033144914
https://seiga.nicovideo.jp/user/illust/9410485
https://www.nicovideo.jp/user/9410485
https://gatchu.fanbox.cc
https://sketch.pixiv.net/@llgatchu
https://skeb.jp/@_gatchu
https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG31202.html
https://www.pixiv.net/stacc/gachu105