After dying for a brief moment, Minakawa Ryo's life changed completely. Prior to that day, he was an average high school student. However, his life took an unexpected turn after a girl leaped off a building, causing his demise as well. Despite this, he miraculously resuscitated, now endowed with the extraordinary ability to perceive things beyond the realm of normalcy. His newfound existence is interrupted by the arrival of a mysterious girl named Hokuto Shou, who discloses to him that his other half has become a denizen of the underworld. Ryo's old life has been superseded, and a novel existence that straddles the world between the living and the dead commences.