Seiji Yoshida

When the bizarre mass suicide of 54 high school girls throwing themselves in front of a subway train appears to instigate a string of suicides around the country, Detective Kuroda strives to find the answer, which isn't as simple as he had hoped.

Professor Shiraki arrives at an isolated girls' boarding school to take a new position. Upon arrival, he learns the principal's wife died in a car accident and is being kept in the cellar, according to local tradition. The principal startles Shiraki by asking him to become his successor, but Shiraki soon discovers that the principal has much darker motives.

Shun Kosaka has a dream of becoming a novelist and lives in a byte at convenience stores at night. He happened to meet Natsuki, and his life began to change. However, they get involved in an incident related to the local mafia.

When the bizarre mass suicide of 54 high school girls throwing themselves in front of a subway train appears to instigate a string of suicides around the country, Detective Kuroda strives to find the answer, which isn't as simple as he had hoped.

Shun Kosaka has a dream of becoming a novelist and lives in a byte at convenience stores at night. He happened to meet Natsuki, and his life began to change. However, they get involved in an incident related to the local mafia.