https://www.pixiv.net/users/23019
https://www.pixiv.net/stacc/plana
https://twitter.com/seranon
https://twitter.com/intent/user?user_id=29157821
https://sketch.pixiv.net/@plana
https://skeb.jp/@seranon
http://seranotyaban.blog.fc2.com
http://siratoricompany.blog.fc2.com
http://twitpic.com/photos/seranon
http://yfrog.com/user/seranon/photos
