Beastmaster's counterattack agent concubine

The cowardly third lady of the Su family's concubine in another world, her fighting power has been stagnant since she was 7 years old.One day, she was thrown into the river Styx for breaking the adulterous relationship between her lover and mistress.When the soul of a female special soldier enters the body of a concubine who is discriminated against, everything changes once she crosses over!A heaven-level fighting skill, an introductory book on alchemy, a nine-tailed demon fox,...