You and Heejin are lovers, Heejin care about you all the time and was a lovely GF or atleast you thought

One day you go to work as usual but when you got there your coworkers said to you that there's no work for today and you should go back

When you go back and your at the door you heard some strange noices coming from your apartment were the two of you live and You realise that the voices was from Heejin your GF you couldn't believe it...