Wouldn't you like to be gently treated by your little sister or big sister, or perhaps have them strictly guide you through masturbation training? In this story, the female high school students speak directly to you through immersive POV footage. Whether you're caught stealing their underwear as their older brother or younger brother, whether they're worried about you being unpopular with girls, or whether your slightly lewd gaze gets noticed—they'll make you masturbate in all sorts of situations. Jerking off in front of them brings the ultimate pleasure. Experience the most intense, satisfying climax in just one round. An exciting, club-activity-inspired production full of passion.