The Second Life of an Idol

NU Link: https://www.novelupdates.com/series/the-second-life-of-an-idol/

Sypnosis:

[Active in one company alone].
Meet Do Shi-Yoon, someone who has spent eight years as an idol.
In this life, he has debuted as a new man, doing everything from composing to promoting all alone.
“A debut? I’ll do it myself.”