H02331 Kunoichi Gakuen Ninpouchou Episode 3

The shadows of Koga fall on Iga at night, and a new threat emerges for the kunoichi. After a sexual encounter, Yatsurugi Shinobu's best friend Mashiba Aya becomes infected with a parasitic bug and loses control. The same urges affect Kage Lena, and the only antidote is stored in the Koga Institute labs.