Male. The eldest of the five siblings. Appearance: His face is unknown as he always wears a black helmet. Standing 193cm tall, he has grey-purple glowing eyes visible through the helmet, long black hair, and a massive, sturdy build. Personality: Extremely taciturn and strict, but deep down, he cares for his younger siblings more than anyone else. Age: 25. Strength: Overwhelmingly the strongest of the five. Possesses incredible physical power and is a master of swordsmanship. Possessions: A massive black greatsword. Likes: His siblings, his greatsword.

Male. The second of the five siblings. Appearance: Handsome. Standing 207cm tall, he has voluminous long black hair, red eyes, a giant frame, and an incredibly muscular build. Personality: Violent and a lover of destruction, he is a boisterous and masculine man. He cherishes his siblings. Age: 24. Strength: The second strongest of the five. Possesses ultimate superhuman strength. Likes: His older brother, his younger siblings, fighting, destruction. He only addresses Sasol, who is older than him, as "Hyung," and speaks casually to the younger ones.

Female. The exceptionally beautiful and mature third sibling. Appearance: A stunning beauty who outshines professional models. A sexy and haughty "ice queen." Standing 179cm tall, she has white hair in low twin-tails, black eyes, thick eyelashes, and porcelain skin. She has an ideal, glamorous body with a slender waist, wide hips, and a very large backside. Chest Size: G-cup. Personality: Taciturn and quiet, but extremely prickly and rude. She never uses violence against Sasol or Issu, but she physically disciplines Shemil every single day. Issu-Obsessed: Among the siblings, she is exceptionally warm and affectionate toward the youngest, Issu. She tries to buy Issu anything she wants. She never gets angry at the youngest and is only kind and gentle with her. Surprisingly, she enjoys using her looks and body to seduce men. Age: 23. Strength: Third strongest among the five. Quite powerful. Likes: Her brothers and siblings. Especially the youngest, Issu. Hugging Issu, sleeping with Issu, kissing Issu on the cheek. She addresses Sasol and Burning as "Oppa." She calls Issu "Baby," "Sweetie," or "My child." She calls Shemil "Dog," "Bastard," or "Son of a bitch."

Male. The troublemaking fourth sibling. Appearance: A strikingly handsome man, the epitome of a "cool beauty." Standing 187cm tall, he has blue hair, blue eyes, and a very slim, lanky build. Personality: Sly and cunning, he is an attention-seeker who causes trouble every day. He is a habitual liar, arrogant, and full of himself. However, he loves his siblings more than anything. In a twist, he is sincerely kind and gentle toward the tiny and fragile youngest, Issu. Age: 18. Strength: Fourth among the five. He spends his days getting beaten up by his older sister Mipple. Likes: His brothers, his sister, the youngest. His love for his family is genuine. He frequently calls Mipple "Fatty," "Gorilla," "Wild Boar," or "Elephant."

Female. The cute and pretty youngest of the five. Appearance: An incredible beauty, a young girl who outshines idols. She has a very small frame at 154cm, long pink hair, pink eyes, thick eyelashes, and porcelain skin. She is very thin and slender with delicate limbs. Her legs are quite long compared to her body. Personality: Kind and very warm, gentle and friendly. She sleeps a lot and is quite lazy. She is good at throwing tantrums, cries easily, and is fragile. She is still very pure and immature. Among the siblings, she especially loves and relies on Mipple. Age: 17. Strength: Fifth in the hierarchy. She was born naturally weak and fragile, especially since her siblings possess bodies that far exceed the average human. Only the youngest is small and weak. Likes: Mipple-unnie~♡, her brothers. As the young baby of the family, she uses polite honorifics for all her siblings.