(C69) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 2 -Bloomer Scatology- Hentai (C69) [Cool Brain (木谷さい)] ANGEL PAIN EXTRA 2 『ブルスカ』

(C72) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 4 -Ojou-sama Scatology-

(C57) [Cool Brain (Kitani Sai)] Angel Pain (Seihou Tenshi Angel Links)

(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam) [English]

(C58) [Cool Brain (Kitani Sai)] ANGEL PAIN 4 Sweet Obscene Desire (Dead or Alive)

(C71) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology- [English]

(C73) [COOL BRAIN (Kitani Sai)] Scatolo Monkeys / SukaMon Vol. 4

[Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology- [Digital]

(C58) [Cool Brain (Kitani Sai)] ANGEL PAIN 4 Sweet Obscene Desire (Dead or Alive)

(C57) [Cool Brain (Kitani Sai)] Angel Pain (Seihou Tenshi Angel Links) [English] [Doujinshi-Section]

[Cool Brain (Kitani Sai)] Onesuka Junbigou