Everyone said that Momo is the perfect girlfriend for Dahyun and her soulmate. The girl who would leave everything for her and always stood beside her, romantic, affectionate and who was never afraid to show her how she feels through music. As for Sana, it's The selfish perky, snob, who only cares for you and only devoted your time to conquer it, since when Dahyun was to the only girl who did not fall to her feet like the others, and that motivated by her wounded pride only she used all her weapons to have her. Even reaching the point of making several bets on the intention of having Dahyun at your feet. However, this whole game of perky turned against her that ended up falling in love with the pale-skinned girl and dark eyes, and with this catching a fight with the perfect girl to have the heart of Dahyun. No one recognized that Sana had changed for her, but Dahyun recognized and saw this change. The question was who to choose? And Dahyun made her choice, not following what her heart said and yes, making a choice motivated by reason and approval of everyone around her. However, things changed in the blink of an eye, causing Dahyun to see that she had made the wrong choice, but a tragedy happens to make her not run in time and correct her mistake. However, even so not everything was over and she will still have the chance to live her true love, on the other hand she will have to confront other challenges in order to live her choice.