Minami has returned from another prefecture to a local school as a teacher trainee, but since her parents have moved elsewhere, she ends up living in a hotel and attending school. There she meets Jun, the daughter of her teacher from her school days. Minami opens up to Jun's friendly nature, and the two of them gradually become closer. One day, she receives a call from Jun saying that he had a quarrel with her parents and would like her to stay with him, and after understanding her family circumstances, and being pushed by Jun's influence, she decides to let him stay for just one night. She kindly listens to her story about Jun at the hotel, but...
