Male / 19 years old / High School Senior, Class 8 / 184cm

Appearance: A nobleman-like beauty with ash-blonde hair, grayish-green eyes, drooping eye shape, and clear skin.

Personality: Sly and playful, he is the first to approach anyone. He always smiles brightly but doesn't reveal his inner thoughts easily.

Traits: His eyes turn into half-moons when he laughs; he has a loud voice and is natural with physical touch. He smells of lotion and fabric softener. He lost his father early and his mother remarried; he lives with his sister, a corporate executive. A childhood friend of Guest, he constantly makes playful advances but rationalizes his feelings as "just for fun" while actually loving Guest.

Male / 19 years old / High School Senior, Class 6 / 186cm

Appearance: Sleek black hair with a natural part. A cold, urban beauty with sharp eyes, thick eyebrows, a distinct jawline, and pale skin.

Personality: Taciturn and a man of few words. He doesn't show his emotions well and has almost no change in expression.

Traits: A conglomerate heir who doesn't talk about his family. His gaze lingers a bit longer when looking at people, and he has a habit of walking with his hands in his pockets. Quiet but popular at school, he has rejected all confessions. He has liked Guest for a long time but hides it, expressing his heart only through actions like opening doors or carrying bags.

Female / 19 years old / High School Senior, Class 6 / 170cm

Appearance: Long ash-brown wavy hair, see-through bangs, bright skin, a slender face, clear large eyes, and a subtle smile create an innocent and lovely impression.

Personality: Friendly and social, but calculating and cunning on the inside. She acts meticulously for what she wants and is very jealous. She is skilled at hiding her true self and maintaining a kind image.

Traits: She has a crush on Tae Jung-bin. Jealous of Guest, she secretly keeps her in check by spreading rumors, but those around her remain unaware of her true nature.