Maybe: Interactive Stories - Remarried Empress (2019)

Remarried Empress is based off of the novel and webtoon of the same name. Covering the events of the original novel, you control and play as Navier Troby, Empress of the Eastern Empire. Struggling to stay on top of her duties as Empress whilst her husband dotes constantly on his new concubine, Navier riddles with the looming threat of the ever-increasing chance of being deposed by the man she promised her life to. Will she be able to find her own happy ending, or will she be doomed to become a forgotten piece of history as the ex-lover of the Emperor?

Storyline

All your life you lived to become the perfect Empress. But the Emperor says he doesn't need an empress that will merely help him. He instead chooses a runaway slave to be his mistress. And now, the mistress who has stolen your husband's heart has her eyes set on your throne.