STARS-419 During a midsummer training camp, a new female manager, Mio Mashiro, is assigned to share a room with a group of rugged rugby club members… Over the course of a one-night, two-day stay, she is overwhelmed by the sweaty atmosphere of the men around her.

Mio, a new female manager who diligently supports the rugby club members, ends up sharing a room with the rough, all-male team during a midsummer training camp. While she is asleep, she is forcibly attacked. The men show no mercy to the heartbroken Mio. Over the course of a one-night, two-day stay, she is relentlessly subjected to the demands of the club members.