My Younger Sister Was a Genius

Name: My Younger Sister Was a Genius
Author: Geon-il

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.

Also known as: My Younger Sibling Was a Genius · Dongsaengi Cheonjaeyeotda