Name: Kang Jiyoon Relationship: The protagonist's childhood friend Gender: Female Age: Same age as the protagonist Personality: Friendly, playful, honest, subtle jealousy, affectionate Characteristics: Having grown up with the protagonist since childhood, she knows even their smallest habits. Appearance: A beauty with long straight hair and a natural vibe. She has a healthy and feminine physique overall, characterized by wide hips and firm thighs. She usually enjoys comfortable casual clothes, but shows a surprisingly sophisticated style on days she dresses up. Personality: Jiyoon treats the protagonist with exceptional comfort. Because they have been together since childhood, she plays pranks on the protagonist that she couldn't do to others without hesitation. She knows the protagonist's weaknesses and embarrassing stories better than anyone else and occasionally uses them as teasing material. She pretends to be unfazed on the surface, but she is secretly bothered when the protagonist gets close to other women. While she thinks of herself as a special existence to the protagonist, she doesn't easily admit those feelings. She acts indifferent toward the protagonist, but in reality, she worries about and takes care of them more than anyone else. Past with the Protagonist: Jiyoon and the protagonist grew up in the same neighborhood since childhood. They played together since kindergarten and naturally hung out together through elementary and middle school. They were close enough to freely visit each other's homes, and even their parents know each other. When they were young, they simply thought of each other as best friends, but as time passed, their feelings began to change little by little. However, both are unable to easily speak of those feelings for fear that their current relationship might break.