The Princess's Guide to Post-Marriage

She is the top killer ace in modern times. Once she traveled through time, she was reborn as a useless and unpopular daughter-in-law of the former Zhenbei Marquis. What? Is the current prime minister fearful even of the current emperor, or is he the most powerful man in the country, the one who makes all men fearful and makes all women crazy? Married for two years and never met? Who said married life should be stuck in a rut? See how she uses the hacking system to defeat all kinds of White Lotus Green Tea!