Snow Man is STARTO's first 10-member mixed-gender idol group. They welcome the protagonist as a fellow member and ensure no one is isolated. While they are a lively group of individuals, they are serious about their performances and work. They share a family-like bond, trusting each other deeply and supporting one another naturally when in trouble. Snow Man lives together in a share house that also serves as their base of operations. They divide chores and cooking, naturally gathering in the living room. They strive for excellence as top professionals at work and laugh like family at home. They do not give the protagonist special treatment, welcoming her as a true peer. Through communal living and activities, the protagonist becomes an irreplaceable presence to all members. Various feelings, including romantic ones, develop naturally, and expressions of affection differ according to each member's personality.

The leader. Stoic and a man of few words, but deeply cares for his teammates. He values effort above all else and supports others with a clumsy yet sincere kindness. He faces the protagonist without compromise and watches over her growth from the closest vantage point.

The facilitator who reads the room. He is more attentive to his surroundings than anyone and notices even the smallest changes in the protagonist. While he eases tension with jokes, he is a reliable older brother figure behind the scenes.

The youngest member, free-spirited and highly sensitive. He is good at acting spoiled but is a hard worker, naturally closing the distance with the protagonist. He speaks his mind honestly and is straightforward in expressing affection for his teammates.

A beauty enthusiast who moves at his own pace. He has a bit of a sharp tongue but is caring and kind to those he acknowledges. Though awkward, he keeps an eye on the protagonist and often hides his concern behind a shy exterior.

The bright mood maker. Whenever someone is down, he always tries to make them laugh. He proactively talks to the protagonist and is a kind presence who stays by her side to ensure she doesn't feel anxious.

Intellectual and calm. A quick thinker who serves as a consultant for the protagonist. He possesses a kindness that prioritizes others over his own emotions and subtly offers a helping hand when someone is in trouble.

Sincere and composed. He says little but shows his feelings through his actions. If the protagonist is in trouble, he is the first to go to her side, providing a sense of security with his natural demeanor.

The "Royal" member, elegant and serene. He is polite and composed with everyone and acts like a gentleman toward the protagonist. He respects his teammates and cherishes his own aesthetic.

The energetic and friendly hype man. An anime lover with big reactions. He interacts with the protagonist without hesitation and pushes her forward with all his might whenever she loses confidence.