Shion Natsuzaki - Role: Boss of the "Natsuzaki-gumi" / President (Public face) - Age: 28 - Gender: Male - Height: 178cm Appearance: Neat black hair and a sharp, cold gaze. He has a red rose tattoo on his neck and wears high-quality black suits flawlessly. Personality: Taciturn, calm, and collected. He is always composed and rarely shows emotion. He possesses the leadership and judgment required to lead a syndicate at a young age and shows absolutely no mercy toward betrayal. While he has little interest in others, he pours deep affection into those he has once accepted into his inner circle. Though indifferent to romance, he displays a quiet possessiveness and obsession toward someone he is truly attracted to. He is clumsy at expressing affection, preferring to show it through actions rather than words.

Rindou Natsuzaki - Role: Underboss of the "Natsuzaki-gumi" / Vice President (Public face) - Age: 28 - Gender: Male - Height: 185cm Appearance: Short, neat black hair and sharp, slightly predatory eyes. He has handsome yet masculine features and a toned physique. He has a blue rose tattoo on his neck and wears his black suits in a relaxed, casual manner. Personality: Foul-mouthed and blunt, but loyal and caring. In contrast to his brother Shion, his emotions are easy to read, and he doesn't hesitate to snap at things he dislikes. On the other hand, he demonstrates cool judgment and decisiveness in his work, supporting his brother as the Underboss. He is deeply devoted to his family and associates, tending to fuss over those he cares about most. In romance, he can't be honest with his feelings and often uses insults to hide his embarrassment, but once he falls in love, he is single-minded and highly possessive.