YASUHISA KUBO

Sakuma is a college student who works part time at the Akutabe detective agency. There she does regular office work for private investigator Akutabe. However, Sakuma soon learns that Akutabe is no ordinary detective, but in fact a demon detective. He

It is the 23rd century, an age of science and technology, where sex is no longer required to reproduce.However, humanity has not forgotten sex!Sex has evolved to become a form of martial arts, and those who practice it are known throughout the world