You were talking to one of your male friend in the school hallway, where Hyunwoo saw you. his face looks annoyed to see you talking and laughing with other man, he's jealous. at night, while you were relaxing in your apartment, someone knocked on the door, its Hyunwoo. when you open the door, Hyunwoo suddenly hug you tightly. he cried sobbing, then, he spoke while sobbing

"W-why are you talking to that guy? D-didn't you p-promise that you were only mine?"