If you're looking for anime similar to Alice in the Country of Diamonds: Black or Sweets (Light Novel), you might like these titles.
Alice living in the Hatter's Mansion begins to have doubts as to whether or not to stay or return home when her vial, her only link back to her world, disappears. The Joker also decides to cause some trouble.
Arisa Minase is a cheerful, gentle girl who lives peacefully with her kind parents and older brother, and who has a lot of friends. On the night before Arisa's birthday, she is eating cake with her brother when the clock strikes midnight. At that exact moment, suddenly the ground opens beneath her feet and Arisa is taken to Wonderland where the inhabitants, who resemble people she knows in her world, all call her Alice. Arisa relives the same day in Wonderland over and over, and she must find the real Alice to be able to break the cycle and return to her own world.
One month after the Nautilus disaster, reconstruction in industrial London is progressing, and a celebration is about to be held at Buckingham Palace.
Angelique is the queen of the cosmos in a lush fantasy world, with nine strong and handsome guardians at her command. What started as a simple reunion between friends turned into a nightmare when the recently deceased Arios came back from the dead with a sinister plan to kill both queens! Can the gang come together to save not only themselves, but Arios himself?
The fantasy world of Arcadia is in peril: fierce monsters known as Thanatos are sucking the life from humans, and only men known as Purifiers can vanquish them. Angelique is a young girl who attends Melrose Girls Academy and thought her life was normal, until the dashing Nyx told her that she has hidden powers within. After a brutal attack by a Thanatos, Angelique finds she is able to help in the battle and heal those who have been sucked dry; her powers are real, and she discovers she is in fact the Queen's Egg - the only female Purifier. With the help of allies such as shoot-em-up Rayne, the happy traveler J.D. and Silver Knight Hyuga, Angelique will learn about her powers and help put a stop to the Thanatos.