Responses

I wonder that too. Because when he told her to hit him to make her feel better(about coming back after such a long time even though they broke up, she replied with “am I just like you? Do you think I hit people”
Spoiler
.
.
.
.
Even the mother says “do you think gunho will stay still after what you did to me? Do you want to get hit like that again” as if insinuating that he has hit her before.
https://mysticalmerries.com/series/a-bittersweet-couple/chapter-20/
Its up to chapter 21 here. Hmmm I cant help but think, did her ex hit her?? Im just making assumptions here