Transmigrating to a Matriarchal World: My Dear Husband Longs for Me

Jiang Yunye came from another world and sacrificed herself to save it, but accidentally ended up in a matriarchal kingdom. She transmigrates into the body of Yunye, a princess with the same name. She really is a wild princess, an outsider. There are extras, incomplete extras, complete extras, and all sorts of story types. See how Yunye builds a golden age. No angst, multiple husbands.