While dating her third-year boyfriend, Kokoro secretly has feelings for Yuki, who is also in the baseball club as her boyfriend.Meanwhile, I started working as a manager.One summer day, after club activities, Kokoro was cleaning up the roof by herself when she was suddenly hit by a sudden downpour.The door heading from the roof to the school building is locked.Kokoro had no choice but to enter the club room, and when he was left behind, he was unexpectedly alone with Yuki, who was also left behind.With the weak signal from mobile phones and difficulty in contacting the outside world, the two of them were alone in a small space...the young man and woman were living their bodies in a humid humidity that caused them to feel uncomfortable...
