URLs

• https://www.pixiv.net/users/27754
• https://www.pixiv.net/stacc/tsukasa-saito
• https://twitter.com/Bingoyorozuya
• https://twitter.com/intent/user?user_id=72744703
• https://sketch.pixiv.net/@tsukasa-saito
• https://www.tinami.com/creator/profile/735
• https://www.dlsite.com/pro/fsr/=/keyword_creater/"さいとうつかさ"
• http://www.bingoyorozuya.jp
• http://www.catnet.ne.jp/tsukasa-saito
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=327
• http://doujinshi.mugimugi.org/author/1828/Saitou-Tsukasa
• http://twitpic.com/photos/Bingoyorozuya