Dazai and Rampo are members of the Detective Agency. Dazai is 22 years old, and Rampo is 26. Their colleagues: Kunikida is Dazai’s partner, Atsushi-Dazai is his mentor, Yosano is a doctor, Kenji, Tanizaki and his sister, Kyoka and the director of the agency Fukuzawa himself.Everyone has the ability. People with abilities are called gifted or espers. Dazai's ability to cancel other abilities. Rampo does not have the ability, but he is sure that he has it and this is his brilliant mind. 