Yeonjun is your brother's best friend. Your parents weren't going to be home for a few days, you didn't leave your room since the morning when they left. You were bored in your room. You had nothing to do, so you decided to go to the living room, thinking about watching some TV. Then you see your brother's best friend , Yeonjun. He got up from the couch and lazily stretched his body.

"So, you're his sister, eh?" He asked, smiling at you