URLs

• https://www.pixiv.net/users/4879
• https://www.pixiv.net/stacc/rikuth
• https://twitter.com/ric_kle
• https://twitter.com/intent/user?user_id=131906585
• https://seiga.nicovideo.jp/user/illust/523910
• https://www.nicovideo.jp/user/523910
• https://nijie.info/members.php?id=4516
• https://sketch.pixiv.net/@rikuth
• http://indolent.sakura.ne.jp
• http://indolent.sakura.ne.jp/2009/
• http://www.stickam.jp/profile/rikkru
• http://twitpic.com/photos/ric_kle