My Bodyguard Is a Silent Killer

Retired assassin king Asura Quinn becomes Sasha's bodyguard while investigating his family's massacre. When her miracle drug attracts powerful enemies, Quinn crushes every conspiracy with deadly skill. As danger brings them closer, the truth leads to the mysterious Asura Stone and the return of Yamo, the mastermind behind Quinn's tragic past. In the final showdown, Quinn unleashes his true power to claim revenge and protect the woman he loves.