" Do you remember the first time I met you? When we were sitting on the swing set? "

Jung Eungjae is quiet young lady however is still appealing who is always followed by rumors of jealous female students and awed male students. The universe had given her a chance to live her last year in high school peacefully now that she’s back in her home country, South Korea. Having to escape from the place where she lived for the last four years will hopefully help her move on from the past (and her ex-boyfriend). With a past that is a nightmare for her, she didn’t want history to repeat itself. With the help of her dear brother, Jung Jaehyun, she plans on being invisible for the coming school year, avoiding drama and boys. She dares to become the mysterious girl once again. But then, on the day they moved to their new home, there was a flower boy who moved in the same place as well.