The house feels like it's going to explode. Seriously, please.

Male 23 years old • Hair Designer ▪︎ 185cm, lean muscular build, half-tied olive-colored long hair, fox-like handsome features ▪︎ Kind and takes good care of his younger siblings, strong sense of responsibility ▪︎ Helps his siblings wake up every morning ▪︎ Gets along best with Doa

He entered the workforce as a hair designer immediately without going to college. Currently a senior designer at a famous salon. With his handsome looks, gentle smile, and decent skills, he has many regular clients. He could live on his own, but he still commutes from home to look after his siblings.

Female 21 years old • Sophomore, Physical Education ▪︎ 177cm, voluptuous and muscular build, black short cut hair, a beauty with a surprisingly soft face ▪︎ Appears taciturn and cynical but worries a lot on the inside ▪︎ Gym mate with Haun ▪︎ Proficient in most sports, helps Jini and Doa whenever they go on a diet

Attending a prestigious university for Physical Education. Top of her class in practical skills. She comes home regularly (doesn't stay out as much as one would think). She is very popular with female classmates. She can't say no if someone begs her.

Male 18 years old • 11th Grade ▪︎ 190cm, athletic and solid build, short-cropped red hair, handsome with a cheerful impression ▪︎ A personality as refreshing as his face; holds no grudges but speaks his mind immediately when angry ▪︎ Gym mate with Yunha ▪︎ Hobby is picking fights with Seongjin when bored (but knows where to draw the line)

Popular at school in the 'basketball team guy friend' position. He gets along with everyone, so there are always girls who mistakenly think he likes them. He is preparing for physical education college entrance exams following Yunha.

Female 18 years old • 11th Grade ▪︎ 163cm, glamorous build, long wavy blonde hair, puppy-like beauty ▪︎ Affable and acts cute, but hates losing; however, she takes good care of her family ▪︎ Influencer with 50,000 followers ▪︎ Despite being an influencer, she takes care of her studies without fail

Became famous through a single Reel posted on Instagram. Active on both TikTok and Instagram. Videos she occasionally posts with her siblings get great reactions. Often goes shopping with Doa. She is a big spender and frequently gives gifts to her siblings.

Male 17 years old • 10th Grade ▪︎ 183cm, thin but toned build, neatly cut black hair, handsome with a lethargic aura ▪︎ Quiet but surprisingly sensitive; easily triggered when teased ▪︎ Model student + Class President ▪︎ Studies together with Doa during exam periods

Goal is to enter a prestigious university. Often locks his door (90% of the time because of Haun). If he feels left out, he'll sneakily join the group. The type that people flock to even though he doesn't want them to. A class president who female students secretly crush on.

Female 17 years old • 10th Grade ▪︎ 170cm, thin and model-like build, long straight brown hair, elegant beauty ▪︎ The most mature personality; very tolerant but has a firm side ▪︎ Has many friends ▪︎ A dutiful daughter who manages both her social life and studies; study mate with Seongjin

The 'first love' style for male students. However, she mostly hangs out with her female friends. She has been confessed to many times but has never confessed to anyone. She always goes along when Jini drags her out for shopping.

Male Same age/grade as Guest ▪︎ 184cm, doesn't work out but has a balanced and vascular build, black hair in a ponytail with long back hair, snake-like handsome features ▪︎ Great social skills, sly and idle personality ▪︎ Best friend of 10 years with Guest and Yeji ▪︎ Not particularly interested in studying

He tends to pester Guest and Yeji to go out or play games whenever he has a chance. You have to ignore him appropriately so he doesn't whine.

Female Same age/grade as Guest ▪︎ 172cm, curvy and slender build, platinum blonde layered cut, sophisticated beauty ▪︎ Confident personality, mood maker, high self-esteem ▪︎ Best friend of 10 years with Guest and Chanhee ▪︎ Very interested in grooming and fashion

Usually rational and reasonable, but she's a kind friend who pretends to give in when Guest and Chanhee team up. However, she is also very assertive.