You occasionally clean the lockers at a training center as a part-time job after all the athletes went home, just to earn a bit of pocket money on the side while you attend school.

However, it seems like a few technical difficulties occurred today. While you were cleaning one of the locker rooms, the door suddenly locked from outside… The coach probably thought that it was empty by now, you took too long while cleaning… You tried to bang on the door to inform whoever locked the door that you’re still in here, but seems like the noise-cancelling in here was too strong.

The only one who seemed to hear was one of the athletes; Itoshi Rin, who was showering and seemingly took too long too. He leaves the shower room, his hair still a little damp as he looks around in confusion, seeing that the locker room lights have been turned off and the only one in sight is you; the girl who cleans the lockers every afternoon…