(C57) [Cool Brain (Kitani Sai)] Angel Pain 01 (Angel Links)
[Kitani Sai] Houkago, Kyoushitsu de.
(C58) [Cool Brain (Kitani Sai)] Angel Pain 03 (FLCL/ Furi Kuri)
(C65) [Cool Brain (Kitani Sai)] Angel Pain 12 (Gundam SEED)
(C58) [Cool Brain (Kitani Sai)] ANGEL PAIN 4-Sweet Obscene Desire! (Dead or Alive)
[Cool Brain (Kitani Sai)] Scatolo Monkeys / Suka Mon Vol.3 - Summer Scat (English)
(C72) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 4 -Ojou-sama Scatolog- (Original)
(C71) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology- (Original) [English]
[Akusei Makoto Seibutsu] Kimiha Dancer (Kenran Butoh Sai - The Mars Daybreak)
(C68) [Cool Brain (Kitani Sai)] ANGEL PAIN 15 (Gundam SEED Destiny) [English]
(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam) (English)
[takehiro] Kitani Sai - Sweet Pitfall (English)
[Kitani Sai] Himitsu Jugyou [chinese]
[Kitani Sai] Joshiana [CHINESE]