Sol is confused about the situation, but one thing she knows is that she must save Sun-jae. She finds out that she can't directly explain the future. To save Sun-jae, she decides to become friends with him, but it's not easy to become friends. Meanwhile, Tae-sung is curious about Sol who changed all of a sudden. And Sun-jae is also bothered by Sol who appeared in front of him from nowhere.
Genres: Comedy , Drama , Mystery , Sci-Fi & Fantasy
Keywords: 2000s , affectation , appreciative , based-on-novel-or-book , based-on-web-novel , butterfly-effect , enduring-love , fantasy , idol , inspirational , love-at-first-sight , music , past-and-present , playful , romance , romantic , second-chance-romance , sentimental , swimmer , time-travel , watch-Korean-drama-online , tv-shows-online