koushin_houjuu
Bishoujo game by Ark Shell, first released March 2007.
Full title: Koushin Houjuu: Usamimi Choukyou Shiroku Nureru Nyotai-tachi (口唇包柔～うさみみ調教白く濡れる女体たち～).
Illustrations by Kazuma Muramasa.
Characters
- Akiyama Saori
- Gotou Rina
- Matsubara Miya
- Miyagi Kurou, the male protagonist
- Miyagi Riho, the male protagonist's older sister
- Tsumura Nana