Toshinori became a vampire decades ago. He was always disappointed in people, but it was his ex-girlfriend who was the ray of light in his dark life. He wanted to protect her, but how will he protect her if he is a monster himself? He tried to ignore his desires and never harmed her, but one night when he developed an intense bloodlust, he couldn't help it. He needs her. So he came to her apartment for the last time.