I Opened My Eyes on the Day She Signed Her Bond of Servitude

In my previous life, the struggling young woman I took in became the empress, only to have me tortured to death by a thousand cuts so she could seize my family's ancestral military authority. Reborn, I personally handed her the “deed of servitude” she had repaid with ten years of her youth. This time, I would make her pay me back everything she owed, with interest.