Hey Miss! Is this Your Knife? If it is, I'm your Prince.

He become great and gained the tittle " Prince of Combat" through his excellent upbringing and family background... She was an orphaned taken in reluctantly and achieve top ranks through her sheer perseverance only to be dragged down by her bias Master... The first time they meet, they dueled. He was fascinated by her cold and merciless fighting techniques... She scorned him for his excellent techniques that can only learned from the elites which cost millions of dollars to even glimpse... The moment her knife left a cut on his face sealed their fate to be together.