https://www.pixiv.net/users/177582
https://www.pixiv.net/stacc/chagashi
https://twitter.com/chagashi
https://twitter.com/intent/user?user_id=133570437
https://sketch.pixiv.net/@chagashi
https://skeb.jp/@chagashi
https://portal.circle.ms/Circle/Index/10124775
http://doujinshi.mugimugi.org/browse/author/5539/Satou-Chagashi/
http://min.togetter.com/dDQEnH2
http://twitpic.com/photos/chagashi
http://yfrog.com/user/chagashi/photos
