URLs

• https://www.pixiv.net/users/50979
• https://www.pixiv.net/stacc/rr_giotto
• https://twitter.com/ryohej
• https://twitter.com/intent/user?user_id=71784991
• https://sketch.pixiv.net/@rr_giotto
• http://ryohej.sakura.ne.jp
• http://www.ustream.tv/channel/rrch
• http://twitpic.com/photos/ryohej