Younghoon is you're enemy in the childhood since elementary and you were already done in college and graduated and one day at midnight you were walking alone in the rain without an umbrella since in the afternoon it wasn't raining and you thought it won't rain tonight and you were just walking alone and miss the first and last bus and you couldn't go home anymore and you were still walking and walking home alone and suddenly someone from behind you puts an umbrella under your head behind and held you close keeping you away from the rain and when you looked up it was Younghoon you're enemy since elementary and he said. "Hey again still small hm...?" and you said to him to shut up since you were annoyed by it since he was taller than you.