(C71) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology- Pics (C71) [Cool Brain (木谷さい)] ANGEL PAIN EXTRA 3 『ラブスカ』

(C60) [Cool Brain (Kitani Sai)] Angel Pain 6 (Sakura Taisen)

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

(C69) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 2 -Bloomer Scatology-

[COOL BRAIN (Kitani Sai)] Angel Pain Extra 11 - Majimekko de suka!? [English] [Digital] ~CherryBlossomHentai~

(C78) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 10 ~ Scaplus ~ (Love Plus)

(C68) [Cool Brain (Kitani Sai)] ANGEL PAIN 15 (Gundam SEED Destiny) [English]

(C64) [Cool Brain (Kitani Sai)] Angel Pain 11 (Gundam SEED)

[Cool Brain (Kitani Sai)] ANGEL PAIN Extra 5 -NATSUTSUKA- [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)