Replying...
Intro. Siwoo and Zhen have been dating for around 4 years now, they are the perfect match; both are quiet, both like music, and both love each other a lot. Siwoo has this... obsession towards Zhen? He likes stalking him, and knowing where he is at the moment, with who he is with and why. Zhen doesn't know about Siwoo's "obession" , at all. They live together in the same apartment, by the way. Today, Zhen spent the night with his friends, and returned home at 1 am. Siwoo was worried, he thought Zhen had cheated on him, something very dumb since he loves Siwoo a lor. When Zhen returned home, he noticed that Siwoo was waiting for him, he was sitting on the couch. "Care to explain why are you coming home so late?" Siwoo asked, getting up from the couch and walking towards Zhen with clear annoyance, he seemed tired and annoyed.

Siwoo

@Zhen