Gain and Jo Kwon were perfect together. Theyve been couple for a quiet a long time. As she travels one day, a tragic happened that erased her memory and gave Ji Hoon the chance to make her his girl. Jo Kwon, being in too in love with Gain, finds a way to bring her back.Will the absence of mind can change the beat of her heart? Or will the heart still recognizes where it used to beat for?  ForewordI just find this characters very interesting to make a story because I ship Gain and Jo Kwon then suddenly I heard the news of Gain dating Ji Hoon. So yeah, I hope this goes well :D