A group of three female college students work part-time at a seaside guesthouse! They're going on vacation and making fun memories! Or so they thought. In fact, the inn is full of surveillance cameras. The manager has seen everything, from slacking off to stealing food to misdeeds. Ayase, who is shy and quiet, becomes the target of blackmail. In order to protect her two friends, she is used behind the scenes to satisfy the sexual desires of a perverted old man during her summer vacation.