My Younger Sister Was A Genius

Yoon Hajoon who struggled to pursue his musical career despite his iffy talents and ended up sacrificing his own family along the way If only I could turn back time One day after living with regrets and alcohol for a while he woke up and found himself had returned to the past Just then it dawned on him The fact that my younger sister is a musical genius Now is the time to turn my life around that is by producing my younger sister into becoming the best singer