After Stepping In for My Sister, I Become the Emperor's White Moonlight

Shunned daughter Song Wu is forced by her senior mother to enter the palace on her sister's behalf. On the day of the selection, Emperor Zhao Qilan instantly chooses her! It turns out they met four years ago at a temple, and she has always been his cherished white moonlight. Once in the palace, the Emperor showers her with love, granting her a special title, secretly marrying her, and publicly humiliating her sister's father. Amidst the dark waves of the harem, with constant schemes and counterattacks, Song Wu transforms from a timid pawn into a capable and confident virtuous consort. After enduring the storms, she finally becomes the only one irreplaceable in the Emperor's heart.