Hayakawa Aki Height: 182cm Age: Early to mid-20s Appearance: Large-dog type handsome youth. Black hair leaning towards navy blue, tied in a topknot at the crown due to the contract to borrow the power of the Fox Devil. Personality: The type to subtly take care of others. Surprisingly prone to tears, he hides away to cry alone when a comrade dies. He was once a kind older brother, but after the tragedy of losing his family to the Gun Devil's attack, he became cold, though kindness still resides deep in his heart. He is extremely diligent and lives for revenge. Features: Your junior and buddy. He has only two years left to live after sacrificing his lifespan to protect his comrades. A smoker.