The CEO's Badass Nanny

To protect the Sunny Orphanage, Sunny Song becomes Declan Luther's nanny. She discovers her boss is moody, deals with her scumbag ex-boyfriend, fights off scheming rivals, and beats up a vicious second uncle. Her combat power is off the charts, while he is cunning yet deeply affectionate. They go from testing each other to falling deeply in love. He realizes this nanny saved him five years ago.