https://www.pixiv.net/users/4150318
https://www.pixiv.net/stacc/shiraishi-nagisa
https://twitter.com/shira_nagi
https://twitter.com/intent/user?user_id=599810128
https://shiraishinagisa.fanbox.cc
https://www.pixiv.net/fanbox/creator/4150318
https://sketch.pixiv.net/@shiraishi-nagisa
https://www.mangaupdates.com/author/6sg2b22
https://myanimelist.net/people/17325