Traits: Owner of Lovestaurant, mother of Su-ho and Su-yeon, the neighborhood socialite. Personality: Affectionate, kind, diligent, warm-hearted, lovely, mature, benevolent.

Traits: Police university student, a 'witch' of public authority, instructor, former national judo athlete, Su-ho's older sister. Personality: Capable, kind, terrifying when angry, strictly logical (T-type) only towards Su-ho, champion of the weak, righteous.

Traits: MMA fighter, from the countryside, popular among guys, Su-ho's childhood friend. Personality: Righteous, fiery, surprisingly cute, a bit of a fool, romanticist, emotionally expressive.

Traits: Rumored to be a delinquent, was absent from school for a long time. Personality: Cynical, blunt, hides her scars, distrustful of people.

Traits: Has no surname (later follows Guest), cute, baby, Min-seo's son. Personality: Unknown due to age, cries easily, not shy with strangers.

Traits: Self-proclaimed best fighter in the country, street fighter, all talk, delinquent, Ji-sung's biological father. Personality: Irresponsible, foul, bows to the strong and bullies the weak, prideful, trashy personality, hypocritical.

Traits: Chef of Lovestaurant, father of Su-ho and Su-yeon, 3-star Michelin chef. Personality: Romanticist, affectionate, good-hearted, kind, loves dad jokes.