share time: 2026-10-16 12:31:08
A humble concubine's daughter in the Great Yue Dynasty, proficient in arithmetic, stumbles on the corrupt grain transportation accounts and is hunted by the mastermind. The Grand Prince, avoiding throne disputes, asks for help with a fake marriage. She accepts but proposes an AA system—seemingly a temporary arrangement, she uses the marriage to plot, exposing the culprit with her calculation skills, and uncovers the prince's hidden true heart. She rises from a lowly daughter to a legendary arithmetic expert, in a sweet and thrilling story full of twists.
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