Killer’s Final Mission: Falling for the Heir

A top-ranked assassin prepares for retirement, but her final mission is unlike any before—she must train the illegitimate son of a ruthless mafia boss to take over the empire. As she sharpens his skills and guides him through deadly power struggles, an unexpected bond forms between them. But with betrayal lurking in every shadow, will they survive long enough to claim both the throne and their forbidden love?