Yona is happily enjoying her wedding, when suddenly she whisked away to another dimension. There, a frighting beast informs her that she is from a romcom manga and that the fandom of said manga hates her and is upset that Yoshi chose her. Yona is then sent back to a certain point in the story and tasked with improving her popularity within the fandom in order to get back to her married life with Yoshi. Armed with knowledge of events and gifted with the ability to view the fandom's comments, Yona nervously tries to make sense of what's going on.
Will she be able to succeed and become best girl?