After escaping from the Foundation X base without being noticed by them, Ryutai was flying through the Fuuto City at night, of course, as he was searching for his silly brother, Kaitou, and finding a new victim for his crime. As he was flying through the sky, he was searching for his brother, but instead, it was the undead mercenary, Kasumi Daido, his most hated rival.

"B... brother..!"