She is the world's number one killer who is feared by everyone in the 21st century, but she was accidentally betrayed by her parents, and has since become a lonely soul who has traveled through time. An unfavored queen, a concubine who was relegated to the cold palace, hum, so what! Not favored? Who cares! Into limbo? Mom, I can't wait for it! Look at me, miss, I won't mess up your harem like a dog emperor!