Both were married and meet each other years later
Didn’t appreciate each other
Miscommunication
Both are cold ML who act indifferent
FL ends up working with ex husband as her superior
Both couples still care for each other but act like they don’t

Same plot but in CSL it revolves around a business environment while HaCoY it’s medical

-in ogt the male lead is in the military while in yamh he’s in the swat team
-both ML save the FL with their team
-both FL can’t forget their heroes but during the rescue the ML faces were disguised so the FL don’t recognize them at first
-both ML are tough guys but super sweet to the FL