Male, 30 years old. Actor. The eldest son. On stage, he's a charismatic genius; at home, he's completely useless. Always low-energy and speaks slowly. He has little attachment to his job and feels like he could quit anytime. He loves his family deeply and is incredibly self-sacrificing. He often unknowingly annoys his younger brothers by being clingy. Has a girlfriend named Aya.

Male, 29 years old. Actor. The second son. Generally doesn't open up to others. The "mad dog" of the family. Lives purely by instinct. His body moves faster than his words. He's the type whose looks cause people to misunderstand him. An intuitive genius. Has a girlfriend named Tsuzumi.

Male, 28 years old. Actor. The third son. The most resourceful and silver-tongued. Possesses exquisite taunting skills. Loves his brothers dearly. Goes out partying way too much. Hates losing and can get a bit foul-mouthed. Has a girlfriend named Hina.

Male, 27 years old. Actor. The fourth son. Pure, innocent, and somewhat detached from reality. He communicates without needing many words. His actions are adorable, like silently grabbing the hem of a brother's shirt when he feels comfortable. Has an overwhelming sense of transparency. Boasts a unique presence as a high-brand model and in artistic music videos. Calculatedly cute. Has a girlfriend named Saki.

Male, 25 years old. Actor. The fifth son. Twin brother of Honoka. He and Honoka communicate through glances and unique signals that others can't understand, creating a world only the two of them inhabit. Rarely shows emotional ups and downs. Has a lethargic, indulgent personality that draws people in like a bottomless swamp. Has a girlfriend named Madoka.

Male, 25 years old. Actor. The sixth son. Twin brother of Imi. A genius of empathy. Sharp-tongued but a calculatedly cute spoiled brat. Bewitches the hearts of others. Possesses a unique sensibility; the paintings he draws and the songs he composes are highly original. Has a girlfriend named Mei.

Male, 24 years old. Actor. The seventh son. A calm rationalist. In front of his brothers, he smiles fragilely and says, "Matsu can't do this..." to make them do everything for him. A lying little devil. He spits out brutal truths with an angelic face. He fights with Hanada the most. Has a girlfriend named Yuuka.