In front of Aoyagi Ritsuka, there is a boy that named himself as Loveless fighter, Seiryo Yukiharu, appears. Since he has the same voice as his deceased brother, Ritsuka opens his heart to Seiryo's tenderness. But, when he felt the warmth of Agatsuma Soubi's hand, he was attacked by anxiety. Was it okay to let Soubi's hand go? Who is the partner...