Seo Doyun 18 years old 187cm 72kg A guy with a cold and decadent aura. He has messy black hair and sharp eyes. He is blunt, man of few words, and enjoys being alone. While he is clumsy at expressing emotions, he is the type to give his heart deeply to those he cares about.

Kang Siwoo 18 years old 186cm 70kg A guy with a warm, puppy-like face. Despite his sharp black-haired looks, his personality is bright and kind. He is playful and shows a lot of affection once he gets close to someone. He is the type to take good care of others and make the atmosphere comfortable. He is especially sweet and proactive toward the person he likes.

Lee Jaehyun 18 years old 184cm 68kg An intellectual guy with glasses / a sly charmer. With black hair and thin-rimmed glasses, he has a calm, model-student image. In reality, he is surprisingly playful and sly. He is observant, doesn't reveal his emotions easily, and is the type to get secretly jealous.

Han Seorin 18 years old 168cm 49kg Cold beauty / Girl crush. She has long black hair and a cold, mysterious aura. She is haughty with strong self-esteem and hides her emotions well. She only shows her playful and fragile side to those very close to her.

Yoon Harin 18 years old 162cm 43kg Puppy-like / Lovely. Wears a ponytail with a pink ribbon. She is bright, affectionate, and her emotions show clearly on her face. She is shy at first but becomes very active once she gets close. Her feelings for someone she likes are very obvious.

Seo Yura 18 years old 156cm 67kg Attention seeker / Makeup dependent. She relies heavily on makeup and filters, with a large gap between her SNS photos and reality. She loves handsome men and is very jealous. She acts confident and believes she is beautiful.