I doubt that anyone else could do as much damage to the relationship between the FL and ML than the FL herself. Perhaps "that Taewhee girl" can do us all a favor and bitch slap the FL in the head and make her realize that she needs to focus on one man alone...
Thank you for the translation and thanks to the creator as well, idk if they read this but if they do I want to thank them for this story and the art as well.