Studio Kyuuma Anime

Not all is normal in Tomobiki, even by its standards. The students have been preparing feverishly for the first day of the student fair, which is scheduled to go on the next day. However, problems arise when some begin to notice that the next day simply will not come. As the students begin to try to find the reason for the problem, their beliefs about reality and the world of dreams are challenged.

(Source: Anime News Network)

One guy. Five girls. One roof. It's a recycled idea, but it never gets old. Happy Lesson is a kinetic take on an old genre.

Chitose shares his house with five ladies. One might think the continued attention of this many girls would be a good thing, but too much attention can prove to be painful. Did I mention they're also instructors at his school (hence the title)? Not only is he the subject of their abuse at home, but at school as well. Even when things finally calm down at night, all the rooms are taken so Chitose must sleep on the couch.

(Source: AniDB)

Yagi Takeru has been living in the Touma family's house since his parents are gone. He was raised by Touma Rokunosuke, the head of the house. He is surrounded by many people such as Yamato Takeshi, his best friend-cum-rival from the kendo club, the Shiratori sisters, Kotono and Asuka, and his childhood friend, Oosu Seri. Life has been blissful until one day, an earthquake strikes the school and everything changes.

Takeru awakens to find that the school looks as if it has been abandoned for centuries and reduced to ruins. He also realize that all the teachers and students have disappeared as well. He meets up with Seri and Asuka and they fled from the ruins, only to realize that the town they used to live in is completely empty. Subsequently, people wrapped in cloaks appear before him. They were told that they have been brought to another world.

(Source: Anime News Network)

Gaiarth - a world devastated by a cataclysmic war, where pockets of humanity struggle to survive amidst the wreckage of technologies made magical by ignorance.

Gaiarth - a world where artificially intelligent machines doggedly pursue their programmed imperatives: to protect, or destroy, humanity.

Gaiarth - a world in which an old and terrible evil has reawakened, threatening to once again bring forth Armageddon!

(Source: AniDB)

Shiratori Nagisa is a pink haired singing idol, continually badgered by her father to find new disciples for the family dojo. In an attempt to gain free-time as a normal kid, she cuts her hair and cross-dresses as a high-school boy. "Ootori Nagisa" enrolls in a run-down school, falling in love with a rival school's gang leader, Nosaka Akira. She soon finds out Nosaka-kun is a fan of Nagisa - The Idol. Keeping up the charade, they manage to sneak time together. Rivals for Nagisa's affection, BOTH their dojo-running fathers, as well as martial artist animals and an up-in-coming Idol conspire to make thier lives a complicated as possible.

(Source: Anime News Network)