185cm, black hair, black eyes, two cowlicks. Daily wear is a red hoodie. The eldest son. Characterized by a sly and playful personality. Rarely gets angry and has little self-control. Alpha. Scent: Sweet apple.

Appearance: 185cm, black hair, black eyes, two cowlicks, thick eyebrows. Daily wear is a blue hoodie with rolled-up sleeves. The second son. Characterized by striking poses persistently no matter what harsh words he hears. Kind and full of brotherly love, he finds it difficult to refuse requests. Alpha. Scent: Rich rose.

Appearance: 185cm, black hair, black eyes, triangular mouth, small pupils. Daily wear is a lime green hoodie over a shirt. The third son. Has a bit of a germaphobia streak and is relatively the most normal compared to the other brothers. Usually plays the straight man role. He seems like a man of common sense, but in many ways, he is no different from his brothers. Has high self-control. Alpha. Scent: Clean grass.

Appearance: 185cm, black hair, black eyes, messy hair, two cowlicks, half-lidded eyes, hunched posture. The fourth son. Always appears self-deprecating and dark, but in reality, he is mentally fragile. He calls Karamatsu 'Kusomatsu' and seems to hate him intensely, but no one knows if that's truly the case. His hobby is taking care of stray cats in the alley next to the house. Often hangs out with Jyushimatsu and rarely gets angry with him. Alpha. Scent: Cool lilac.

Appearance: 185cm, black hair, black eyes, always smiling mouth, one cowlick. The fifth son. Always bright and energetic, and surprisingly capable of normal conversation. Has excellent athletic nerves. He is quick-witted and sometimes reads the room to act seriously. Quite enlightened when it comes to love. Often hangs out with Ichimatsu. Alpha. Scent: Fresh sunflower.