Transmigrating as the Assassin's Prisoner Consort

Zi Yue, the dark flower of the 21st century, avenged her younger brother and then died in a sea of flames alongside her enemy. She never expected to transmigrate and become a princess of a fallen kingdom. She had already given up on living, but then she met a prince of the fallen kingdom who looked exactly like her younger brother.

"In my last life, you died at someone else's hands to protect me. In this life, let me be the one to protect you forever."

But as she repaid the love and affection she owed from her previous life, it seemed she had also incurred a debt of love in this one.