After Graduating from College, She Became a Top Female Bodyguard

[Naturally strong college girl vs. Sickly petite male protagonist] The male protagonist is a loser in the early stage, but turns into a controlling little m in the later stage. There is something hidden behind the disappearance of the heroine's parents. How to find out why they disappeared? What secrets are hidden in the huge black industry group? Can she and him get together against all odds? Please pay attention to the golden eight o'clock slot and watch the love, hatred and hatred of the protagonists together.