She Chose Her Lover, I Chose to Leave

DramaBox synopsis

For five years, Ethan Stone worked tirelessly at Everon Corp to support his fiancée, Claire Reed. After finally earning an overtime bonus, he planned to propose. But Claire hired her college crush, Mark Nolan, as her secretary and gave him Ethan’s entire bonus as a raise. Watching them laugh together, Ethan smiled too. That night, after five years of nonstop overtime, he finally left work on time, leaving Claire and Mark to deal with the chaos he once handled.