Aya is a man who has abandoned his smile. His cold expression keeps people away. If it's for money, he will accept any job.

An incident in his past changed his life; since then, he has sworn vengeance in his heart and hidden himself. The enemy who makes him burn with hatred is the powerful Reiji Takatori. Aya is always cool, but when he meets those who make him remember his hatred, his emotions burst out.

He secretly visits a young girl lying unconscious in the hospital.