Rosario + Vampire

By a bizzare coincidence, Tsukune Aono has accidentally gotten himself admitted to a youkai academy, a school attended by monsters. Just when he thinks he'll run away from there, he meets the beautiful girl Moka and his mood turns ultra happy. However, she transforms into her true form when the rosary on her chest is taken off, she's a super vampire!

Sankarea: Undying Love

Furuya's not interested in the living, he's got zombies on the brain! When Furuya's cat dies, he decides he's going to try and bring it back to life. In the process, he stumbles across a girl who is involved in an accident and turns into a real zombie! What's Furuya going to do now that the thing he loves the most is right in front of his eyes? (Source: FUNimation)

High School DxD

Issei Hyodo is your average perverted high school student whose one wish in life is to have his own harem, but he's got to be one of the unluckiest guys around. He goes on his first date with a girl only to get brutally attacked and killed when it turns out the girl is really a vicious fallen angel. To top it all off, he's later reincarnated as a devil by his gorgeous senpai who tells him that she is also a devil and now his master! One thing's for sure, his peaceful days are over. In a battle between devils and angels, who will win? (Source: FUNimation)

Rozen Maiden

Sakurada Jun spends his days online, ordering whatever he takes a liking to, only to return it before the payment is due. Due to psychological trauma from school, Jun generally keeps contact with people as little as possible. One day he finds instructions online that tell him to put his order into his desk drawer. Rubbing it off as a joke, Jun mindlessly does so only to find that his order instantly disappears from his drawer. A package suddenly appears, containing a beautiful antique doll. When wound up, this doll comes to life. Sadly for Jun, this doll Shinku views Jun as an equivalent for a servant. Despite the constant demands Jun now receives from Shinku, she slowly helps him overcome his fears of human contact as well as protect him from the deadly battles that come into his life due to her appearance.

Is this a Zombie?

Aikawa Ayumu is a normal high school boy. One day he is killed by a serial killer and revived as a zombie by a necromancer named Eucliwood Hellscythe. He starts to serve Eu as her guard but he happens to deprive the mahou shoujo Haruna of her magic power. Haruna orders Ayumu to fight against the anti-mahou shoujo system "Megalo" in her place.

Soul Eater

Set in the Shinigami technical school for weapon meisters, the series revolves around 3 groups of each a weapon meister and a human weapon. Trying to make the latter a "Death Scythe" which is the highest title for a weapon and thus fit for use by the Shinigami, they must collect the souls of 99 evil humans and 1 witch. Maka & Soul Eater, Black Star & Tsubaki, and Death the Kid with Patty and Liz Thompson are the characters Soul Eater revolves around. Besides taking the time to gather souls, these students of Shibusen defend Death City from some of the most powerful of creatures while still attending school and trying to become stronger.

Akame ga Kill!

In a land where corruption rules and a ruthless Prime Minister has turned the puppet Emperor's armies of soldiers, assassins and secret police against the people, only one force dares to stand against them: Night Raid, an elite team of relentless killers, each equipped with an Imperial Arm - legendary weapons with unique and incredible powers created in the distant past. Rescued from a fate worse than death by Night Raid, young Tatsumi is offered the chance to join their lethal ranks… but it's a deadly choice, as few can master an Imperial Arm and even fewer survive when two Arms go against each other in combat. The battle is on, and only the strongest will make it out alive. (Source: Sentai Filmworks)

Rozen Maiden: Zurückspulen

Each decision we make in life leads us down a different path. Have you ever wondered what would be if the path not chosen weren't lost to the chaos of the universe? For Jun Sakurada, just such an opportunity is presented to him in his darkest hour: a chance to communicate with a future version of himself who did not win the key and bring forth the Rozen Maidens, and a chance to fix the shattered remains of his own world. For Jun-who-did-not-win, the messages from his younger self represent a beacon of light in his mediocre and disappointing existence. When the adult Jun discovers a box with parts and building instructions for a familiar red-dressed doll, the goal becomes clear: revive Shinku in his world to save both worlds from succumbing to the evils of Kirakisho, the seventh Rozen Maiden in a desperate search for a body and master. The Alice Game will become a war of dimensions as two worlds hang by the threads of fate. (Source: Sentai Filmworks)

Vermeil in Gold

Meet Alto, a hapless student at Royal Ortigia Magic Academy whose academic performance leaves much to be desired. Rather than take a more sensible approach to salvaging his grades in time for graduation, Alto decides to summon a bit of otherworldly assistance. Only after does he learn he’s bound the legendary she-devil Vermeil into service as his familiar! But while Vermeil is a powerful ally sure to turn his grades around, her magic can only be replenished with a kiss, and that makes everything go to hell with Alto’s jealous childhood friend, Lilia. (Source: Sentai Filmworks)

Call of the Night

Wracked by insomnia and wanderlust, Kou Yamori is driven onto the moonlit streets every night in an aimless search for something he can’t seem to name. His nightly ritual is marked by purposeless introspection — until he meets Nazuna, who might just be a vampire! Kou’s new companion could offer him dark gifts and a vampire’s immortality. But there are conditions that must be met before Kou can sink his teeth into vampirism, and he’ll have to discover just how far he’s willing to go to satisfy his desires before he can heed the Call of the Night! (Source: Sentai Filmworks)

Magikano

Haruo Yoshikawa’s life goes from average to unbelievable when his sneaky sisters share their family’s dirty little secret—they’re all witches! Things only get crazier with the arrival of Ayumi—an enchanting young girl who’s bound and determined to arouse Haruo’s inner-magician. (Source: Crunchyroll)

Vampire Princess Miyu (TV)

Evil Shinma (shape-shifting monsters and vampires) roam the Earth on a mission to unleash their darkness upon the Human race. Miyu Royal Princess from the dark is the Chosen One—the one being who must banish the Evil Shinma from the Earth. She has the power to offer Humans the gift of eternal happiness, yet is herself, trapped between two worlds; destined for perpetual solitude and internal conflict. Miyu's only companion is Larva, once an evil Shimna; now her devoted guardian. Together they share a dark journey through the weakness of the human heart and the tragic loss of innocence. Cut off from humanity by the knowledge of what she is, Miyu lives an endless quest as both the hunter and the hunted, on the edge of darkness. (Source: AniDB)