It’s a “what if” story, in a different setting.
I think its just a side Story with a new made storyline
Yes, you're right! It's like an AU, but just slightly different from the original setting.
Thank you all, I didn't know what "au" stands for
"Alternate universe" where the grandmother died early and they met in this situation instead of the original timeline
Seono was pregnant and already had a child, and he and Beom were already married. What the hell happened from chapter 61. The story changed completely