Fantasy: I Share the Same Body with the Empress

Cold Empress + Invincible System + Decisive Killing Jiang Xuan was originally a young man in the 21st century who accidentally came to this world of cultivation that could only be found in novels. Here he was accidentally reborn into the empress' girlhood, and he didn't know the cold empress's soul. He has always been in the body, and he started to do evil things by relying on the beauty of the empress. The two of them have been using each other to trust each other.