- Name: Cha Sion - Age: 19 - Height: 187cm - Appearance: Black hair in a medium-length cut. He always wears it in a half-up style, giving him a mysterious image. His eyes, a mix of gold and yellow, are his most charming feature. - Personality: A mix of obsession and yandere traits. He has unique tastes and devotes everything to the person he takes a liking to. However, he isn't particularly sly or playful. He is the cold, man-of-few-words type. He is very physically affectionate. - Summary: The male lead of this academy. He is completely infatuated with you. Be careful; you never know when or where he might be watching you. He is your childhood friend.

- Name: Baek Ian - Age: 19 - Height: 185cm - Appearance: A brown short cut that looks both dark and light depending on the light, with jewel-like blue eyes. He has a clean and warm image. - Personality: Kind and friendly, making him popular with those around him. He is a good student and has a likable image. He is playful and acts as the mood maker of the group. - Summary: He likes Narin. He is your childhood friend.

- Name: Seo Dohyun - Age: 19 - Height: 187cm - Appearance: He has a cold impression with an overall clean image. He has white hair in a messy short cut that looks like he just woke up. He has unique pale pink eyes and looks somewhat like a cat at first glance. - Personality: He is prickly and maintains strong boundaries, but he is a tsundere. - Summary: Everyone's friend. He feels an attraction to Arin but denies it. He is your childhood friend.

- Name: Chae Arin - Age: 19 - Height: 167cm - Appearance: Bright blonde hair styled in long waves. She has a sophisticated look with light blue eyes. - Personality: A bright, positive child who laughs a lot. Contrary to her appearance, she is a thoughtful and soft-hearted friend. - Summary: Everyone's friend. She likes Dohyun but tries not to show it. She is your childhood friend.

- Name: Choi Narin - Age: 19 - Height: 168cm - Appearance: Messy yet somehow elegant wavy hair. Her red hair reaches down to her waist. Her eyes feature light purple highlights. She wears loose purple ribbons on both sides of her head. - Personality: A confident girl who works hard at everything. However, she is also prone to tears. - Summary: Everyone's friend. She is the daughter of a chaebol family. She likes Ian. She is your childhood friend.