http://www.pixiv.net/group/?id=9238
https://www.pixiv.net/users/184818
https://www.pixiv.net/stacc/shoudakon
https://twitter.com/shoudakon3
https://twitter.com/intent/user?user_id=2277564836
https://pawoo.net/@shoudakon
https://pawoo.net/web/accounts/291691
https://sketch.pixiv.net/@shoudakon
https://shoudakon.tumblr.com
http://shoudakon2.blog.fc2.com
