If you liked the Rosario to Vampire anime, the Anime-Planet community thinks you'd like:
Throughout the ages, fairy doctors served as liaisons between humans and fairies; but in the present time of the 19th century, fairies are nothing more than an old wives' tale. Nineteen-year-old Lydia Carlton is one of the only remaining fairy doctors and enjoys a quiet life in the countryside of England - that is, until the dashing Edgar, for mysterious reasons, whisks her away on a daring adventure. Said to be the descendent of the earl of the fairy nation, Edgar desires the noble sword of the merrow that serves as proof to his lineage. Though his motives and origins are questionable, Lydia now sets forth to help Edgar on his quest.
$10 can not only buy you a cute hamster; it also get you a devoted housekeeper who will cook, clean, put on suntan lotion, and cheer you on when your relationships get stale! Does it seem like a dream? Then picture what life would be like if anybody who calls your house gets to know the contents of your underwear drawer! If you can’t imagine what rodents and ecchi have to do with each other, then enter the life of the hamster Ebichu, her sexy master, and the good-for-nothing boyfriend Kaishounachi, and see why a talking hamster can be such a bother!
For Kouta and Yuka, finding the bloody naked young girl on the beach would change their lives forever, for better or for worse. Unable to speak or function as a normal human being, she is named Nyu by the duo, and taken into their home in an effort to save her. But what neither teenager knows is that this innocent young girl is actually a killing machine -- an experiment gone terribly wrong -- and it is only a matter of time before the murderer in her awakens again...
Rosario to Vampire and Elfen Lied, although seemingly unrelated the personalities between Lucy and Nyuu and Mako’s vampire form and human form have similarities in the characteristics that each portray. The transformation has a more mature attitude and seems to be more capable all around while untransformed there is an innocent girl in place that relies on others for help.
Once upon a time, two brothers passed the happy days of their childhood by studying alchemy, which is governed by the equal transfer principle: an eye for an eye -- you can't get more than you give. But these brothers tried to defy that law, and a horrific accident resulted. Now, the older brother, Edward, is called the Full Metal Alchemist because of his metal limbs, and the younger, Alphonse, is a soul without a body, trapped within the confines of an automaton. Together they search for the power to restore themselves, to find the lives they lost so long ago...
Both series contain a budding protagonist and a light-hearted mood with fun accompanying characters. There are many similarities between the two and it's inexperience, friendship in that world 'out there' that shine through in both. You'll like these!
Ever since they met, emotionless Hotaru and ditzy Mikanhave been best friends, and are virtually inseparable-- that is, until Hotaru is invited to attend a strange school far away, a school for those who have special abilities known as "Alice". Unable to be separated from her friend, Mikan soon sets out on a mission to find her. After traveling to a city far away, she finds Hotaru at last, but gets much more than she bargained for. Now, she is lost in a school full of kids with strange powers, unusual animals, and has secured an immediate rivalry with the toughest little punk in town!
Both of these animes are about a character who is transferred to a school where they feel out of place at first because the other students have magical powers and they do not. The main characters also within time gain many friends. These series are both less than 50 episodes and have great mangas if you want to continue seeing what happens after the anime.