If you're looking for anime similar to Rosario to Vampire, you might like these titles. All recommendations are made by Anime-Planet users like you!
When Junichi 'Gene Killer' Nagase saved the beautiful and wealthy Yuuhi Katagiri from bullies one day, he had no idea that he'd actually assisted his would-be wife! For what Junichi didn't know is that he and Yuuhi's fathers decided they would be wed, and Yuuhi has arrived in his town to decide if her betrothed is good enough for the job. After a humiliating and unwanted first kiss, Yuuhi moves in with Junichi to evaluate his worth; and thus, Junichi's life is changed forever. With embarrassing situations at every turn and a bride-to-be that thinks he's uncivilized and brash, what's a guy to do?
If you liked Akane-Iro ni Somaru Saka or Rosario to Vamprie, you'd like the other because they have both the main characters surrounded by beautiful women and the male protagonists both fall in love with the most unlikliest of people.
Chitose Hitotose was orphaned at a young age and is now in high school. He yearns for a family and a place to belong, but his long years of independence and isolation are setting his feet on a dangerous path. What is the solution that his teachers conceive? He needs a mother... but it's not just one, but five "Mamas!" Absolutely no one can discover that his teachers live under his roof, and he has to hide the fact from everyone, from the class president to the principal! With their maternal instincts in overdrive and mysterious pasts, can Chitose learn the lesson of happiness?
In world where flesh-eating monsters roam the streets, only one organization has the means to save civilization from annihilation: Red Shield, a specially-organized unit designed to fight these monsters, and the only weapon that can destroy them: Saya. Awakened from a 30-year sleep, Saya is thrust into a modern world which she has no memories of, and is troubled by a past filled only with bloodshed and sadness. With the undying love and support of her family and friends, she struggles to gain the strength to move forward and regain the pieces of her shattered memories.
If you liked Rosario+Vampire but also want a deeper storyline then try Blood+. Both series include a female lead (Moka, Saya), that is a vampire who's personality changes when in battle and a male character (Tsukune, Hagi) who help them get in to their battle personality.
Yoichi Karasuma is a strong young samurai who was born and raised in the mountains. One day his father decides to send him to the city to stay with the four Ikuraga sisters so that he can gain valuable life experience, but his first trip into civilization doesn’t go quite as planned. Not only is he late to meet his new hostesses, but he is labelled a pervert and manages to get himself arrested – twice! Now, as he lives at the Ikuraga Dojo with Ibuki, Ayame, Kagome and Chihaya, Yoichi must adapt to his new life at school while accepting the rather violent ‘training’ he receives from Ibuki. After making an enemy of the school delinquent and with a mysterious man after his life, it seems that Yoichi’s quest to gain life experience won’t be so smooth after all!
If you liked Asu no Yoichi or Rosario to Vampire, you'd also like the other because both stories deal with young men coming to a strange new place for each of them and them trying to find where exactly they belong at. With the heros of both stories dealing with various obstacles as well as different types of enemies. During their journey both heros come across a wide range of characters some good and some bad they also as with the story of any harem develop several different potential love interests each set of girls in each story having a different set of personalities and physical traits. Each anime is extremely enjoyable full of comedy, romance, and just that little bit of action to keep things interesting.
The name of the business is Astral, and magic is its trade. Itsuki Iba is a school boy who seems to have a weak personality and not an ounce of magic within him, yet he inherits and must run his father's 'magic for hire' company after his father disappears. He must now learn to manage a diverse team of magic-wielders, gain their respect, and send them on missions to deal with the supernatural – all while attempting to excel in school and deal with competitors! But deep down, there's more to Itsuki. He always wears an eyepatch, hiding the results of an incident from his childhood; what other secrets does he hold? And can he handle the responsibilities while his father is missing?