Artist. Serizawa_(shikataganai)'s brother. Formerly tagged as turn-around-loop.

The accounts listed below once shared some of the same images. Most likely they are the same person.

• Name (1): 緋水 (Hisui) (reading is a best guess)
• Tinami account: http://www.tinami.com/creator/profile/23543
• Name (2): ロドリゲス松本 (Rodriguez Matsumoto)
• Old name: ・ω・
• Pixiv account: http://www.pixiv.net/member.php?id=3810891
• Name (3): 発狂青年どぐら☆マグラ (Hakkyou Seinen Dogura☆Magura)
• Old name: ロドリゲス松本 (Rodriguez Matsumoto)
• Pixiv account: http://www.pixiv.net/member.php?id=3591807
• Niconico account: http://www.nicovideo.jp/user/8706863
• Niconico Seiga: http://seiga.nicovideo.jp/user/illust/8706863
• Twitter account: http://twitter.com/hakkyou_seinen
• Name (4): 白兎 (reading is unknown)
• Pixiv account (deleted): http://www.pixiv.net/member.php?id=957026