The CEO's Assassin Bride

Aria Hayes, assassin boss, returns as a university student to avenge her mother's death by the Sterling family. When the Sterlings seek a kidney for daughter Crystal, Aria uses it, arranging marriage with Ethan Crawford. Ethan falls for Aria and protects her even after seeing her fight. Aria counters the Sterlings, but is moved by Ethan's love. Her subordinate, Shaun, turns against her. The couple works together, bankrupts the Sterlings, and finds happiness.