The Substitute Consort's System Comeback

Tess Yates, a modern special agent, travels through time, becoming Princess Consort of an exiled household. She uses her combat skills to kill officers, control bandits, and her 'infinite goods mall' for resource advantage. Nolan Shaw, a former war god, is paralyzed and comatose after being poisoned by plotters. Under Tess's care, Nolan wakes up, trusts her. Nolan recovers, joins Tess to stage a comeback, and they get a happy ending.