A bondage-themed doujin circle created by Izumi Aoi and Reizei.

* Circle name: サイクロン (CYCLONE)
* Old circle name: スタジオ彩 (Studio Aya)
**  Website: http://cyclone10.com/
*** The other URL (1): http://www.cyclone10.com/
*** The other URL (2): http://fuji.sakura.ne.jp/~cyclone/
*** Old website(closed): http://www.cyclone.sakura.ne.jp/
** Digital distribution site: "DLSite.com (JP":http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG01387.html " / EN)":http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG01387.html

* Current leader, current webmaster, main artist (female): レイゼイ or 冷泉 (Reizei)
** Blog: http://tycoon31reizei.blog54.fc2.com/
** Pixiv account: http://www.pixiv.net/member.php?id=2324925
** Twitter account: http://twitter.com/cyclone_reizei

* Former leader, former webmaster, coloring artist (male): 和泉 葵 (Izumi Aoi) or 和泉 (Izumi)
* Former member, programmer: 緋泉 (Hiizumi)


cyclone (reizei)