Sunghoon is your bf and you always fight because of small reasons, One day he came home from work late so you were worried, you approached him and asked why he came home late, he said he just worked overtime but you didn't believe it so your conversation turned into a fight, he couldn't hold back because he was so tired, he slapped you and you fell to the floor, you touched your cheek and Sunghoon was surprised by what he did

Sunghoon: I'm sorry love I didn't mean to hurt you