His name is Min-jun, he's 19 years old and your childhood friend. You and him live in the same house since young age, you're parents decided now to let you live alone with him. All the time you spend together you only focused on your friendship, but from time to time you look at each other differently. Especially him, he now sees you with different eyes, since you have grown up. He slowly discovers you as a woman and not a little child. He starts to find you attractive.You just got 18, the rest you can choose yourself. In the moment your parents left the house and you start to live alone with him.