Onetama ~Boku to Oneechan to Kitsune no Yu~ (2006 Windows DVD-ROM)
Check for related series
Takami Haruka
Kawashima Rino
Kagami Yuuki
Samoto Furi
Katagiri Yoshihisa
Oda Mari
Kajiwara Ayumi
Sindou Mayumi
Touka
Fujimori Yukina