Don't Mess With The Real Heiress, She's a Max-Level Ability User

The world's top assassin, possessing unique abilities, transmigrates into the timid real daughter of the Jiang family, Jiang Yu. She slaps away the scum man and lowly woman, and kicks her trashy father and stepmother. Despite the disdain from her powerful older brothers, Jiang Yu's secret identity is gradually revealed, causing them to instantly transform into sister obsessives. However, when things go smoothly for Jiang Yu, Fu Chen suddenly kisses her. He despises everyone else but loves only Jiang Yu.