Kami eshi JK to OL fujoshi

A fujoshi OL go to a doujinshi event so she can met the author she admires, that author also was waiting to met the OL because of her twitter comments talking about how much she love the doujinshis the author made, but when the OL find that the author is a hight school student and the author find that her fan isn’t some girl of her age, but and adult woman, some problems get started.