2013 · 1 season · 28m · ★ 7.3
After a long absence, Shunsuke returns home at the invitation of his older sisters. He learns that his sisters suffer from a rare condition: they have abnormally strong sexual desires resulting from a disease. Now, Shunsuke must do whatever he can to improve their health. (This OVA is based on the erotic game by Marine.)
Start from S1E1 · OVA
Secret Mission - Undercover Agents Never Back Down!
2023·6.2
