I Transmigrate to the 1970s and Become a Substitute Bride: My Disabled Officer Husband Treats Me Like a Queen

(1970s setting, devoted couple, wish fulfillment, fictional military marriage, marriage before love, everyday life with the military)

A businesswoman who once thrived in the cutthroat world of commerce transmigrates into the 1970s as a bride sent to marry in someone else's place. Facing a hostile environment, she wins over a disabled military officer, takes her younger sister with her, and leaves the countryside.

After getting into college, she draws on the sharp market instincts she developed in her previous life and thrives, finding success in both her career and love.