If you're looking for anime similar to Fate/stay Night x Magical Girl Lyrical Nanoha, you might like these titles.
There are many magical and mysterious worlds with brave, beautiful, and caring people. Hikaru, Fuu, and Umi are normal high school students chosen to be legendary Magic Knights; Miyuki falls through a rabbit hole into Wonderland; Kamui is chosen to decide the fate of the world; Subaru decides to use his supernatural powers to solve mysteries; Ashura and her friends must fight against an evil warlord; and Nokoru and his classmates start a school detective agency to help girls with their problems. These heroes, leaders, and detectives must help make their own worlds a better place to live.
In the crossover story, Fairy Tail's main character Natsu and Rave's main character Haru are lost, so Lucy and Elie —the heroines of both series — embark on a search for them.
The official music video for Wake Up from the album ClariS -Single Best 1st-, by ClariS.