The Illegitimate Daughter's Gambit: Rise of the Concubine (80 episodes)

In her past life, Helen Goodwin was offered to her brother-in-law as a concubine when her legitimate sister fell pregnant. Shockingly, the day her sister gave birth was the day Helen died. Reborn into a new life, Helen planned every step with utmost care. First, she won over her brother-in-law's influential father to secure her marriage into the duke's estate as his mistress. Then, she reclaimed her status as a legitimate daughter and unleashed her true power!

The Illegitimate Daughter's Gambit: Rise of the Concubine - Episode 1