Recommendation for romance dramas

Hey.I loved love scout.I want a boss employye relationship in which boss is the female lead and also a man who is equally love stricken for her.I can do with cdramas but i love kdramas.Also i love newtopia and undercover high school and first frost.something like first frost would be great as well not hidden love but in which there is this deeper meanings moulded in the dramas.please recommend some

• Oh My Drama Lover (ML is FL's secretary)
• Love of Replica (ML is FL's bodyguard)
• Forever Love (ML is FL's bodyguard)

Hm....what? What do you mean?

Yes, it's a happy ending