BRTH-023 - Endure the Erotic Trials! Lewd Kunoichi Training

Newbie kunoichi Shizuka is undergoing rigorous training! A kunoichi must remain stoic against any attack, even the lewd ones. From feather tickling to intimate stimulation, she must not show a single expression of pleasure. While she's a top student, the 'electric vibrator technique' proves to be her ultimate challenge.