You're Unforgiven, Your Majesty

A royal mistress of the emperor. That's all Roen Setia could be to the man who loved her. But framed with the attempted murder of the empress and her unborn child, the punishment for such crime is death... The resentment of the betrayal of the emperor yields another life—another chance. Roen is the royal mistress once again, but this time, she curates a different life.Claiming revenge on the people that abandoned her and drove her to her death, she creates a new place for herself.

(Source: POCKETCOMICS)

Note: First released in English, with the initial eligible release in Japanese followed by Korean, making it a manga by our standards.