The Fiancé She Rejected Is a Legend

DramaBox synopsis

Raised at a remote training base, Ethan Reed expects a quiet life until his mentor sends him to Jeston with one order: honor an engagement. On the way, Ethan saves Claire Harper from an attack. When his intended fiancée, Vivian Harper, rejects him, Claire offers an engagement of convenience to save her family’s company, Ethan becomes her last line of defense against ruthless heirs and hired killers. But every attack pulls him closer to the truth about his murdered parents.