https://www.pixiv.net/users/1409769
https://www.pixiv.net/stacc/riroushun
https://twitter.com/ri_roushun
https://twitter.com/roushun_48
https://twitter.com/intent/user?user_id=145629126
https://twitter.com/intent/user?user_id=553670773
https://roushun.booth.pm
https://sketch.pixiv.net/@riroushun
http://rstk77.web.fc2.com
http://theinterviews.jp/roushun
http://p.twipple.jp/user/ri_roushun
http://twitpic.com/photos/ri_roushun
http://twitpic.com/photos/roushun_48
http://yfrog.com/user/ri_roushun/photos
http://yfrog.com/user/roushun_48/photos