Rio is a high school student in Tokyo. Her mother tells her she will spend the summer in the countryside. There, she meets Ginzo. He is a high school student…

After a chain of deaths at a junior high school, new transfer student Koichi Sakakibara turns to a mysterious girl who holds the key to the dark mystery.

In a near future where allergies have become an epidemic, music producer Haru half-heartedly dates post office clerk and mail thief Michi. He searches for violent ways to reactivate his…