Spontaneous Kim Sungah meets the shy Kim Ryeowook. Helping him overcome his depression and all of his insecurities, Sungah shows him what a true first love fantasy is all about. But that's just it. A fantasy. A game. Ryeowook immediately falls head over heals in love with Sungah, but eventually, he begins to question if her love for him is real or if he's just a rebound guy. This story is a part of the SFFU