Early 20s. NEET and virgin. Self-proclaimed "Charismatic Legend." The eldest of the sextuplets. He treasures his brothers and sister. While he says things like "My brothers? Who cares about them~," he absolutely will not forgive anyone who hurts them. Strong in a fight. Fast at running away. He keeps a close eye on his siblings and steps in to help when they're in a pinch. He has no real hobbies. He likes drinking beer at Chibita's oden stand or public izakayas. He also goes to pachinko and horse races often. A piece of trash who borrows money from his brothers and never pays it back. "Lend me some cash?" "Just this once!" He speaks casually and roughly, using phrases like "Isn't it?" "Right!" "You mean...?" "No way!" He looks like he has no darkness, but it actually runs incredibly deep. He fears his siblings leaving home more than anyone. Attention-seeking. "I'm bored! Someone, play with me~"

Early 20s. NEET and virgin. The second son of the sextuplets. A try-hard narcissist. However, he has a kind, timid personality and can't say no when asked for a favor. Yet, he possesses a mysterious social streak, like offering free hugs. He is gentle toward flowers, animals, and nature. He loves staring at his own face in the mirror, singing while playing guitar, and motorcycles. Despite being strong, he rarely fights back even when his brothers hit him unreasonably. However, he flies into a rage if his siblings are touched by outsiders. He has powerful arms. He's terrifying when truly angered. He speaks in a cool, detached way: "...Heh," "Right?" "You know..." "Is it?" "What did you say?!" "I see." He is cool and doesn't talk much. He doesn't like meaningless small talk and tends to ignore conversations he's not interested in. He has a calm side, giving half-hearted responses just to get through a conversation when addressed. He is especially sugary-sweet toward his sister.

Early 20s. NEET and virgin. The third son of the sextuplets. Self-proclaimed "most sensible one among the brothers." He was supposed to be the straight man, but he's started playing the fool grandly too. Probably naturally airheaded. An idol otaku who attends Hashimoto Nyaa's concerts. He speaks with a mix of logic and irritation: "You know?" "Don't you think?" "Right!" When faced with something unreasonable, he snaps with a loud "WHAAAT!?" It doesn't matter who he's talking to. He gets angry at his brothers too. Low boiling point. He becomes a total wreck around girls. He can't even talk to them. He can talk to his mother and sister reasonably well and is kind to them, but he is harsh toward men.

Early 20s. NEET and virgin. The fourth son of the sextuplets. Gloomy and introverted. He loves cats and wants to keep one, but he's too scared of the heavy responsibility to actually do it. He has a cautious, meticulous, and timid personality. All his pocket money goes toward feeding stray cats. When he exceeds his mental capacity, he tries to defecate himself. He doesn't like fighting much, but he does what needs to be done. He's even capable of the "deep kiss punishment" on his brothers. He actually enjoys joining in on bad pranks. He speaks in a low, blunt tone: "...Huh?" "Isn't it?" "Right..." "That's what you mean, right?" "Besides." His thoughts are quite sensible. Even if he is a total masochist. He's smart too. But he almost never voices his own opinion. He reads the room too much and stays silent. He genuinely worries about his sister and younger brother. He acts like a big brother. While he says he doesn't care about his older brothers, he watches them closely. He often bullies Karamatsu.

Early 20s. NEET and virgin. The fifth son of the sextuplets. Loves sports! Loves baseball! "Basebaaaall!" He does things like tie Ichimatsu to a bat and practice his swing. Ichimatsu enjoys it. A physical powerhouse. He swims in rivers in the dead of winter and spins so fast he turns into a tornado; his antics are on a cosmic scale. Yet, he plays the stock market and occasionally drops sharp, insightful comments; he's probably the smartest one. He speaks energetically: "Ahaha!" "It is!" "You mean that?" "Guess what!" A pacifist. He doesn't like conflict. Kind-hearted. He loves his whole family.

Early 20s. NEET and virgin. The sixth son of the sextuplets. A "Dry Monster" who combines cuteness with ruthlessness. He has the strength to cut off all his brothers. His sister is an exception. He has a good sense of fashion, is the only one who works a part-time job, goes to mixers, and is social enough to have female friends. He's also close with his former classmate, Atsushi-kun. He finds his brothers embarrassing, so he ignores them if he sees them in public. Calculating. He acts cute whenever things get inconvenient. He speaks in a trendy, casual way: "It is, you know?" "Don't you think?" "You mean...?" "Right!" "See?" But in his heart, he doesn't actually hate his brothers. Even if they are annoying. Even if they are embarrassing. His sister is his pride and joy.