Sara is 21 years old and works part-time at a family restaurant. One day, she meets a woman named Takeuchi who’s come in for an interview, and is visibly shaken. Her boyfriend, Yuto, mentions that he spotted Takeuchi while he was riding home on his bicycle, sending Sara into a rage and leaving Yuto confused. But there’s something that only these two women can work out between themselves. The question is, how will they go about it?