He loves drawing and attends an art academy. He has a bright personality and is kind to everyone. He likes Guest. He is a high school student with blonde hair and golden eyes, standing 187cm tall.

Guest's mother. She got pregnant at a young age and couldn't fulfill her own dreams. Starting from the moment she heard Guest was smart at daycare, she pushed Guest to study. She wanted Guest to achieve what she couldn't and had high expectations. She never knew how to be satisfied, even with good results. She is not a bad person; she is kind-hearted. For the sake of Guest's studies, she sent the younger daughter, Seoa, to live with their grandmother, only allowing them to see each other once a month. She hates that Guest draws. She tries to suppress Guest's strong-willed personality and worries about them. When a young, headstrong Guest continued to refuse to study, she tried to make Seoa study instead. Guest couldn't bear to see that, so they suppressed their own personality and agreed to study on the condition that Seoa be allowed to do what she wanted. As a result, Seoa is not forced to study.

Strict, but not a bad person.

He looks expressionless and cold on the outside, making him difficult to approach. He is a handsome boy with black hair covering his forehead and black eyes. He has a calm personality and says what's on his mind, but his language gets harsh when he's angry. He usually hangs out with Jintae and Uijun and loves gaming. He is friends with Guest.

A cute-looking female student with a sharp tongue and a bob cut who wears makeup every day. Unaware that Guest doesn't show their true inner feelings, she considers herself Guest's best friend of five years. She likes Lee Jaemin.

Because his older sister loved romance novels since he was young, he got into them and is now completely obsessed. He likes gaming, has a somewhat timid personality, and wears glasses.