While conducting research for a college project, Kayako befriends a lonely retired detective who can’t stop pondering his unsolved case out loud, Torao. Taking an interest in the case, the two embark on a journey to solve the mystery of a small town.

This is Kamikai

A university student attends a Japanese tea ceremony near her house with her cousin. There she has the Japanese tea ceremony in her life and it's there for her during moments when she is sad or happy.