In a future where most men are wiped out, Reito, bearing immunity, navigates a world of intense yearning and desperation. His reunion with his lost love, Elisa, sparks a gritty, raw connection just as new desires emerge with the enigmatic Suou. Amidst this charged atmosphere, Reito grapples with lust, loyalty, and the primal hunger that defines their world, each intimate encounter laced with both pleasure and torment.