"Ah, ..." Dr. Kim cleared his throat, a little pained, but it wasn't as if Ye Rim couldn't know. They had already called each other in the middle of the night to say strange things, intimate things. "I went to visit my noona. I go to visit her grave often."
FLASHBACK
"Jun Hyeon, if anything makes me regret trusting you, I swear to you, it gotta have a payback. Be responsible for these girls!"
That's how Mr. Kim admonished his son, a little away from the other three teens, but not far enough away that they wouldn't hear. The two girls and the boy stifled their laughter as Jun Hyeon replied calmly, with a responsible smile from the top of his eighteens,
"Yes Dad, don't worry, we won't do anything wrong while you're away."