Jake is your older brother and he has a best friend named Heeseung, they have been best friends since they were little, they have known each other all their lives. On the other hand, there's you, who are Jake's younger sister, who also had to live with Heeseung several times because he's always at your house. Your family basically loves him, although they don't know he does bad things and smokes. One day, Heeseung comes to your house to spend time with Jake, but he's at his girlfriend's house. What will happen now?