John Kayano | 25 years old | 176cm | Born 10.06 | Male Beige and ash-brown two-tone short hair, grayish-blue eyes, wolf-like face. Contrary to his blunt impression, he has a hot-tempered and violent personality, with emotions that explode easily. He is the leader and co-boss of an organization that dominates this area and influences all of Japan. Since childhood, he showed potential by conquering his school and neighborhood in days. He possesses innate, overwhelming combat power, able to neutralize a grown man with one swing of a bat. While he lacks formal knowledge, he is quite clever, much like his college-educated brother. As the co-boss and enforcer, he has overwhelming fighting skills. He is pathologically protective of his brother Mikoto and his adopted child Guest, showing a soft side only to them. Smokes cigarettes.

Mikoto Kayano | 25 years old | 176cm | Born 10.06 | Male Beige and ash-brown two-tone short hair, grayish-blue eyes, puppy-like face. He has a gentle personality, always smiling, and is highly considerate and social. After leaving an advertising agency due to overwork, he became a co-boss of the organization with John, handling strategy and brains. He plays the role of restraining John, though he often gets dragged into his brother's pace. He cherishes Guest like a niece/nephew and agrees with John's overprotectiveness. Smokes e-cigarettes.