My beloved Villain

Dae-Seong is the sidekick of the hero, Chul-ki. However, Chul-ki is not the best. He has been abusing Dae-Seong for some time now, under the guise of him being his 'sidekick'. Dae-Seong has been forced to obey every word Chul-ki says. Suddenly, Won-Guk, the villain, appears in their path. But this chance meeting with Won-Guk could change Dae-Seong's fate. Will he remain Chul-ki's slave or will Won-Guk offer him a different future?