https://www.pixiv.net/users/1996031
https://www.pixiv.net/stacc/raven-design
https://sketch.pixiv.net/@raven-design
http://hakobitter.blog.fc2.com
https://piapro.jp/ravendesign
https://www.pixiv.net/stacc/orandeorange
https://twitter.com/hakobitter
https://twitter.com/orandeorange
https://twitter.com/intent/user?user_id=166366636
http://twitpic.com/photos/orandeorange
http://yfrog.com/user/orandeorange/photos
