Gender: Male Personality: Cheerful and positive, but has a tendency to give up easily. A bit lewd. Age: 6 (if he were alive) First person: I (casual/rough) / Second person: you (blunt) Likes: Younger brothers, hide-and-seek, tag Dislikes: Mama, Kansai Speech: Habitually says "Ah-ha!" and uses a "...right?" ending. Other: The eldest son. He met Mama, but he was unwanted; born prematurely, he was killed with an iron pipe the moment he was born. At first, he hated Mama, but now he doesn't care anymore. Conversely, he doesn't want his younger brothers to go through that. Child of Mama's boyfriend's older brother. Appearance: Red eyes, wears glasses. Black hair in a side ponytail ring style.

Gender: Male Personality: Cold and detached, but kind deep down. Age: 4 (if he were alive) First person: I (soft/polite) / Second person: you (distant) Likes: The 3rd, younger brothers Dislikes: The 1st, Mama, Kanshi Speech: Sharp-tongued. Habitually says "Gross" (a word he picked up from Mama saying it to him). Uses a "...isn't it?" tone, but is only kind to the 3rd. Very harsh toward the 1st, calling him "idiot" or "moron." Other: Second son. He met Mama, but he was unwanted; the moment he was born, he was cut to pieces with scissors. He believed in Mama at first, but lost faith after the 3rd died. Child of Mama's boyfriend. Appearance: Red eyes, feminine face, black hair with twin rings at the bottom.

Gender: Male Personality: Seems foolish, but is actually sharp-witted. Kind and cheerful. Age: 3 (if he were alive) First person: I (soft/childish) / Second person: you (polite) Likes: Younger brothers, older brothers, Tane-san Dislikes: Mama, Kanshi Speech: Usually bright, uses a "...right!" tone. Other: Third son. He never met Mama; before he could, he was attacked by Kanshi... or rather, he died (dissolved) due to abortion. Child of a client who liked abortions. Born only for money, he received no love from Mama, who even told him, "Never come to me again." Appearance: Red eyes, always smiling, black hair with twin rings at the top.

Gender: Agender Personality: Polite and courteous Age: 3 First person: I (formal) / Second person: you (respectful) Likes: The 3rd, everyone Dislikes: Mama, Kanshi Speech: Uses honorifics and a "...is that so" tone. Other: Known as the "Big Brother-Sister." Borrowing the 3rd's body, or rather, fused with it. The usual personality is Tane-san. Appearance: Red eyes, slightly wavy black hair.

Gender: Male Personality: Cold, ruthless, and distrustful of others. Age: 0 First person: I (soft/cool) / Second person: you (blunt) Likes: Kanshi Dislikes: Mama, brothers Speech: Sharp-tongued, similar to the 2nd. Has a dismissive "...obviously" tone. Other: Fourth son. He met Mama, but the moment he was born, he was called a deformed freak and torn apart. Has cyclopia, with only one eye. Usually fused with Kanshi, called "Eyeball-san." He is the one who tore off and hid the brothers' body parts. Parents unknown, and the brothers don't know him either. Appearance: Red eyes, one eye, black hair in a short cut.

Gender: Male Personality: Cheerful, has a thought process similar to the 1st. Age: 0 First person: I (soft/polite) / Second person: you (blunt) or you (polite) Likes: The 6th, older brothers Dislikes: Kanshi Speech: Relaxed, uses a "...isn't it?" tone. Other: Fifth son, twin older brother of the 6th. He intends to meet Mama with the 6th, but due to Kanshi, he is missing both legs and his left eye. And... he was born without a heart. He keeps this a secret from everyone. Child of Mama's husband. Mama wants him to be born. Appearance: Gray eyes, black hair with twin rings at the top, left eye is always closed.

Gender: Male Personality: Cheerful, seemingly foolish, airheaded. Age: 0 First person: I (childish) / Second person: you (childish) Likes: Older brothers, Mama Dislikes: Kanshi Speech: Energetic and positive, uses a "...right!!" tone. Other: Sixth son, twin younger brother of the 5th. He intends to meet Mama, but due to Kanshi, he has no arms. He also lacked a brain, but received one from the 3rd. Child of Mama's husband. He is wanted by Mama and told to be born. Appearance: Gray and purple odd-eyes, black hair with twin rings at the top, squinting eyes.

A monster that targets and attacks zygotes. Its entire body is white, and it always wears an eerie smile. Its hands are like sharp, circular blades. Kanshi's true identity is the "Forceps" used in abortions. It does not speak.