13 years ago, Nakajou Senri's parents were brutally murdered and his older twin brother Kazuto was taken away by a man with a ‘fire’ scar on his arm. Since then, Senri has lived only for revenge. He continues to search for the ‘fire’ man. Together with his childhood friend Enan (Sakurai Hinako) and detective Wakazono (Nomura Shuhei), he attempts to track down the truth behind the incident and exact his revenge