I Smash the Coffin Lid, My Mother Is Reborn and I Am Born

The empress is harmed by a treacherous concubine and entombed in a coffin, her unborn child still in her womb. She is due to be buried soon when a clap of thunder blasts the coffin lid away. The empress is reborn, and a little princess is born inside the coffin. The little princess is the reincarnation of a celestial spirit fox, undergoing a tribulation in the mortal world...