The World of Narue (2003)

The story is about Rito Yuuki , a high-school boy who cannot confess to the girl of his dreams, Haruna Sairenji. One day when coming home and sulking in the bathtub a mysterious, nude girl, appears out of nowhere. Her name is Lala and she comes from the planet Deviluke, where she is the heir to the throne. Her father wants her to return to her home planet so she can marry one of the husband candidates, but she decides that she wants to marry Rito in order to stay on Earth.

High schooler Yūta Iridatsu has experienced “astral projection” i.e. his spirit has been separated from his body. He woke up in a mansion named Koraikan and met a cat spirit named Chiranosuke, who told him “You must find the Sacred Tome of Koraikan in order to return to your physical body.” While searching through corridors of Koraikan, Yūta bumped into underpants of its female residents, and doing so would, eh, create some big trouble for planet Earth.

Junior high school student Miaka lives a normal life in Tokyo until she finds a mysterious book in the library, and she and her friend Yui are transported the Universe of the Four Gods. Upon arriving in this new universe, the girls are immediately attacked by would-be slavers and saved by a dashing young man. When Miaka isn't looking, both Tamahome and Yui vanish. Unbeknownst to Miaka, Yui has been sucked back into the real world. Back in the library, all she can do is read on as Miaka sets out for the city to find the mysterious young boy and save her friend. But what awaits for Miaka isn't what either of the girls expect—and now Miaka's only way back to her world is to become the Priestess of Suzaku and save their world.

Small for his age, Yukinari has been bullied and abused by girls all his life. Now in high school, he has developed a rare condition: whenever girls touch him, or even come close, he breaks out in hives. Imagine his surprise, when he is suddenly transported to the city of Seiren on a mystic world invisibly orbiting the Earth, and populated with vast numbers of women and very few men. Fortunately, he has a new friend, Miharu-chan, whose touch inexplicably doesn't affect him.

Kimihara Himeno, also known as "Hime," goes about her life, love, and studies just like any ordinary high school girl. The only difference is that she's a centaur. She enjoys her school life along with classmates of many unique shapes, including Nozomi the draconid, Kyoko the goatfolk, an angelfolk class representative, and Sassas-chan the Antarctican. Hime's younger cousin Shino-chan, her friend Maki-chan, and the class representative's four younger sisters also join the cast in this very cute slice-of-life story about girls who are human, yet aren't!

Prince Wein is ready to commit treason. And who can blame him? Faced with the impossible task of ruling his pathetic little kingdom, this poor guy just can't catch a break! But with his brilliant idea of auctioning off his country, this lazy prince should be able to retire once and for all. Or that was the plan...until his treasonous schemes lead to disastrous consequences-namely, accidental victories and the favor of his people!

Itsuki Minami is a school student notorious for engaging in street fights, a reckless punk that will break through any obstacle, alongside his best friends Kazuma Mikura and Onigiri. However, when he discovers a pair of Air Trecks his true desire to rule the skies takes off.

In Shin-Yokohama, humans engage in a long, drawn out battle against vampires. Amongst them, the last "true vampire" stands... Will he be a bringer of peace, or destruction?

Childhood friends Tachibana Hinata and Jinguji Tsukasa were living the everyday life of office workers. Then, on the way home from a mixer, they were sent flying into another world by a mysterious being. Once there, Jinguji sees his best friend has been turned into a beautiful blonde-haired, blue-eyed girl...?! The adorableness of Tachibana’s female form completely flummoxes Tachibana. But these two are each others’ best friends. To keep their relationship from being destroyed, they must defeat the Demon Lord as quickly as possible and return to their original forms.

Touka is just your average (slightly perverted) farmer in the village of Cheza. While he daydreams about being a hero and getting the girl, the real hero, Sion, is out battling demons that threaten to invade the world! But one day, Touka accidentally kills the hero…?! With the Legendary Hero dead, who's going to save the world now?! Touka quickly buries Sion's body to hide the evidence, but wakes up the next day to discover he is no longer in his own body…!!