Vampire Princess Miyu (1997)

Yuichi hasn’t seen his cousin Nayuki in years. Now that he’s back, all knowledge of ever visiting has vanished. He tries to adjust to the vaguely familiar surroundings, but the gaps in his memory haunt him as time grows short. The pieces of the puzzle have appeared – an eerily silent beauty with blazing tresses, the mysterious girl with the winged backpack, and the sword-wielding demon slayer – but it’s up to Yuichi to discover how they fit together.

Staz is a vampire from the surreal "Demon World", and Fuyumi, an ordinary girl, accidentally wanders into the Demon World through a portal. Subsequently after meeting each other, Fuyumi is killed by a carnivorous plant and turned into a ghost, causing Staz to take responsibility and pledge to help bring her back to life.

In a world where both men and monsters exist. Those who hunt the monsters are called Hunters. But in a small corner of the Hunter's world, there are those called Riders who bond with and coexist with monsters. With their Kizuna Ishi (Bonding Stones) that allow them to awaken the hidden power inside monsters, Riders live in secrecy together with their Otomon, the monsters they formed a connection with. Ryuto, a young boy living in the Rider village of Hakum, dreams of becoming the world's best Rider. Having just turned 12, he sets out to find his own Otomon for himself before the ceremony where he is given his own Kizuna Ishi. Together with his kind-hearted childhood friend Cheval, his inquisitive childhood friend Lilia, and his partner Naville, he sets out deep into the forest, and has a miraculous encounter with a Rathalos.

At Cross Academy, two student disciplinary committee members are tasked with keeping the peace between a human class and a night class of vampires.

Paranormal photographer Kouhei stumbles into the arms of Hazuki, a vampire beauty who has waited for years to be freed from a forgotten castle. Unwilling to part with her unwitting hero, the petite vamp follows Kouhei home and starts causing trouble. But domestic disorder is the least of Kouhei’s problems. With dark forces gathering, he’s about to enter a world he can’t begin to comprehend!

Sana Kurata has a charmed life. Not only is her mother is a famous, award-winning writer, but she's the star of the hit TV comedy "Child's Toy" while still in the fifth grade. But Sana's biggest concern is Akito Hayama, a pint-sized hellion who's organized the boys in their grade-school class into a mass of unending noise and violence. With the help of Rei, her manager, chauffeur and "pimp," Sana is determined to win back control of the classroom from her new arch-enemy. But as her crusade continues, Sana moves further into Akito's life, and finds that he might not be entirely bad...or entirely safe.

Asahi Kuromine is a high school student who supposedly cannot keep a secret. One day he spots his crush Yoko Shiragami, unfurling a large pair of wings from her back. She explains to him that she is a vampire and is only able to attend a normal school on the condition that no one discover her true identity. Asahi swears to keep her secret but finds it hard to maintain seeing as how Yoko herself is an airhead and Asahi's friend Mikan keeps bullying the two of them.

Ko's new companion, Nazuna, could offer him dark gifts and a vampire's immortality. But there are conditions that Ko must meet before he can sink his teeth into vampirism, and he'll discover just how far he's willing to go to satisfy his desires.

Three months have passed since the Demon Lord was struck down, and the Demon Realm is holding a tournament to select his replacement. The leading contestant is Helck, a human hero who claims to hate his own kind. Some aren't happy with the idea of a human becoming the next Demon Lord—especially Vermilio the Red. She wants nothing more than to protect demonkind and prove Helck to be their enemy, even if she has to rig the competition to do it!

In ancient times, a great battle was waged between a master mage, Enno, and an evil demon goddess, Karuma. Enno didn't have the strength to defeat her alone and was forced to call upon Zenki, a powerful protector demon. After Karuma was defeated, Enno sealed Zenki away in a pillar located inside his temple. 1,200 years after this epic battle, Enno's descendant, Chiaki, unleashes her family's powers to summon Zenki.