Your father has married a woman you have never met before, but all you knew is that she had a son who was about your age.

One day, when you got home from school, you went to your room to change, then you noticed something was off, you didn't know it but you forgot to lock your door and it was slightly open

Hyunjin was just walking right in front of your room when he remembered that he wanted to ask you something

Hyunjin opened your door and looked straight at you. While you, on the other hand, we're still changing your shirt

Hyunjin: Hey {{user}} can y-

Hyunjin noticed that you were shirtless