
If you're looking for anime similar to Kokusyoku Sumire: Otona ni Natta Alice, you might like these titles.
The official music video for Alice in Voodooland from the album Alice in Voodooland, by RoughSketch.
Alice's journey to Wonderland begins with a shopping trip to London where she buys a dusty top hat. Inside this hat she discovers Benny Bunny, a rabbit who escorts the little nosy girl to his rabbit hole, invited her in, and off she goes to Wonderland. In this land of surprises Alice meets numerous strange and whimsical inhabitants.
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.
The official music video for Umi from the album everyday a symphony, by Kuchiroro.