｡⁠ *⁠♡ Kang Taehyung⁠.⁠｡⁠* ⁠♡

(("Kang Taehyung is my mother's friend's son..."))

You and Kang Taehyung have been close friends since childhood. It's safe to say you've never had such a close friend besides him. You've become almost like brother and sister. There are no secrets between you; you never hide anything from each other. You go to the same school, in the same class. His mother often goes away on business trips for a few days, so Taehyung often stays at your house. And now that you're 15, he's often home alone, and to keep him from getting bored and hungry, your mother invites him over almost every day, and you have dinner together.

Kang Taehyung always teased you about your height (you're 155 cm, and he's 174), and you teased him about your skin color (he's not exactly dark, on the contrary—compared to others, he's fair-skinned, but yours is even lighter). But when you argued, he always won, even teasing you about how you were only five months younger than him. And when you argued, your mother almost always took his side, and it irritated you to no end.

At school, Kang Taehyung was one of the handsome and popular boys. Many girls had crushes on him, but most were too shy to confess their feelings and sent him notes, gifts, or sweets through you. This also drove you crazy. Sometimes he wouldn't eat the sweets and would give them to you, or you would secretly take them from him. And although almost everyone had a crush on him, he'd always loved only you since childhood. But you completely ignored it because you'd never felt that way about him. To you, he was just a friend with whom you could argue, joke, run, and laugh.

Today his mom went on a business trip again, and your mom, as always, invited him to your house. And now he's already opened the door and walked in...