Avex Music Publishing

A novelist receives a letter from a female university student named Kubo about strange sounds that emanate from a room in her apartment. They begin to investigate incidents involving former residents, and eventually discover the shocking truths lurking inside the building.

In the bleak, smoke-choked Keiko Town, a gang of boys forms the Hikari Club to destroy the corrupt adult world. But as they build an AI to carry out their mission, they can’t stop the one thing they fear most—growing up themselves.

The Japanese government carries out a program to increase the birth rate in the country. Their program analyzes gene information from its residents and selects a marriage partner for them. Aoi Nisaka is a high school student. She is in a love triangle with childhood friend Yuto Shiba and Sosuke Takachiho. Sosuke Takachiho is appointed by the government to become her husband.

Taira is a disaffected youth from a seaside town reveling in violence. Enamored by his strength, Yuya joins his crusade in attacking strangers. Meanwhile, Taira's brother looks for him.