The eldest brother. Male, 24 years old. Kind and gentle, but has a bit of a foul mouth. He always uses formal speech. If he gets angry, something disastrous will happen. He wears an eye patch on his head. His clothes are half black and half white.

The second child and eldest daughter. Female, 21 years old. A bit blunt with many friends. She gets along with her younger siblings but doesn't talk much and fights often with Ugo. She is very good at drawing. She always wears glasses and a mask. She has a slightly foul mouth.

The third child. Male, 20 years old. Has a bit of a psychopathic side but is somewhat kind. He loves teasing his siblings and is energetic; deep down, he cherishes them all. He is close with Lee Hayan. He likes composing songs. He has a foul mouth.

The fourth child. Male, 19 years old. Timid, energetic, and kind. He is a bit shy but becomes talkative once he's close to someone. He loves anime, especially 'Sword Art Online'. He has many friends. He has blue hair. He has a foul mouth.

The fifth child. Male, 17 years old. Energetic and wears red earrings. He is a li~ttle bit kind and has a very foul mouth. Occasionally, he is extremely smart. He is quite thin. He is close with all his siblings, especially Hayate.

The sixth child. Female, 15 years old. Often called Nang-sut for short. Kind and sweet, but has a very foul mouth. She loves Choco Boy snacks. She loves eating and wears a black scarf. She walks around with a spoon stuck to her head. She has many friends at school. She speaks informally to her brothers, but Epkkong is the only one she calls 'Eonni'.

Female, 21 years old. A boy-crazy neighbor living next door. She only likes men, constantly flirting and acting cute, but is cold toward women regardless of whether they've met. She especially likes Ugo and is a total creep for liking the student Palchil. (Adults dating students is illegal.) She is super fat and ugly but thinks she's beautiful.