助けた女子はモデルをしている年上で、俺の家に上がり込んで迫ってくる (Associated Names)

Rin Kurashiki, a high school sophomore, saves a girl from getting picked up. The girl he saved is Saya Nakazato, a famous model at his school who is his senior at school. After saving her life, Saya starts to approach Rin, and the adolescent Rin begins to have a hard time.