Payback

Adapted from the Korean webtoon of the same name. Sun once collected debts for loan sharks, living a reckless life. One day, his mother and younger brother died because of his mistakes. From that day on, to atone, Sun completely let go of his past and lived a hard life. Later, he accidentally heard the truth about his mother and brother's deaths, and to seek revenge, he became an actor at Dream Entertainment, one of the top entertainment companies in the country...