Okusama wa Mahou Shoujo, UFO Princess Valkyrie 2: Juunigatsu no Yasoukyoku Recommendations
Both of these series include "magical girls". In UFO Princess Valkyrie 2 you have Valkyrie and the other princesses of the planet Valhalla who use their powers to help their friends, help Valkyrie's fiancee Kazuto and ultimately to save the planet Valhalla.
In Okusama wa Mahou Shoujop You have Agnes, a magical girl who is guardian of the town, and Cruje who is sent to succeed Agnes as the guardian. There is a "slight" complication. Cruje has orders to destroy the town and its inhabitants while Agnes wishes to protect the town and inhabitants, which include her husband and a