Based on the childrens' book Little Polar Bear by Dutch author Hans de Beer.

After the death of his elder brother, Ginjiro Yamazaki appoints himself his parents' protector. After transferring to a new school, he gets into a lot of fights.
 
(Source: The Anime Encyclopedia)

A psychic ninja fantasy suggesting that the assassins did not die out during the Sengoku era but burrowed under Japan, where they fought a new war against the alien occupants of a crashed spaceship that has lain undisturbed for several millennia.
 
(Source: The Anime Encyclopedia)

Legendary boxer Keijiro Akagi's second son, Eiji, is a high school dropout and the world's worst rock guitarist. Though his father and elder brother are both boxers, he hates the sport but suddenly takes an interest in it when he meets the local champion's little sister. 
(Source: Anime News Network)

Shou and his friend, Tetsurou, stumble upon a strange orb-like mechanism, the Guyver Unit, in the woods. It physically bonds with Shou and turns him into the alien soldier, Guyver. His mission is to protect the Guyver Unit from the Japanese corporation known as Chronos. They are after it and two other units just like it. To retrieve the object, they send out vicious monsters known as Zoanoids. So no one is safe in Shou's life; not even himself.

There's an old decrepit building at the edge of the school grounds that hasn't been used for years, and it falls apart a little bit more each day. But the little house holds a secret, as Takahiro and his friends are soon to find out...they wind up making contact with a mysterious entity known as Saki. Can Takahiro save Saki's world from destruction.
 
(Source: Anime News Network)

The title character of Tomoe ga Yuku! (Tomoe Will Go!) is gutsy enough to roller skate down freeways for thrills. After losing a friend in a roller skating accident, Tomoe joins a stunt group called Green Ship. Although still mourning her friend's death, Tomoe has no reservations about embracing a relationship with the group's leader, Kazusa. Soon she discovers Green Ship is a front for an assassin training camp. She must flee her new life and love and rekindle her fiery spirit in order to fight against the organization which wants her dead. 
(Source: Animerica Extra December 2001)

After the Chaos war, Kojiro and Ryuma return to earth only to find their clan members killing off each other.

A beautiful day Rokurou, a student, was to masturbate when a beautiful girl knocks on his door: You need a virgin? And so begins the story. Rokurou did not know what it was that this beautiful girl was a millionaire family.

In 2099, Earth has shifted off its axis and begins to rotate at an angle of 90% to the 20th-century equator. Three years of natural disasters follows, and when things settle down, Earth's ten billion population has died and only two million moon colonists remain. 
Some return to begin the repopulation of the world in seven new cities and the remaining colonists of the moon fear that their former neighbors might pose a threat and construct a ring of defensive satellites to trap them on the newly repopulated homeworld. 
(Source: AniDB)

The Antarctic thaws and it is an era when most of the land has been submerged in water. The extinction of Mankind already draws near. Mankind who were born from Adam and Eve, were now deteriorating as they repeatedly get cloned from generation to generation. Things essential for the survival of living things were lost. 
Even so, the ones remaining cling on to survive... 
"We should get what we need for survival from something else...!" 
And so, a mere small group of humans began a new life upon the surface of water, exhausting the resources of each and every other living thing to survive. In the end, they discover people who posess a huge quantity of things necessary for survival. 
The young men who posessed such things continues their journey even today, to escape from those who were pursuing them. They just wanted to find that something somewhere. They were seeking for the one and only "help" there was... 
(Source: AnimeNfo)

Hidden deep in the ancient Himalayan Mountains, a beautiful princess is found in the ice. Dr. Aikawa revives the sensual princess in his own special way. Now that the lovely Princess Surya has been brought back to life, the fun begins. With love struck eyes, Ryu, Dr. Aikawa's son, decides he must master the 48 positions of the ancient art of love, as described in the classic Indian text, the Kama Sutra. Little does he realize how much trouble a beautiful princess can be, until he finds he must protect her from the vicious Indian cult, the Mali Clan.

When a world of 2-D beings discovers the existence of our universe, they send a team of beautiful Domni-Matrixes into our world to prepare it for total integration. However, once liberated from their flat and dreary 2-D existence, Compiler and Assembler quickly discovered that cybersex with a couple of 3-D guys is a lot more fun than world conquest. Now, in between interfacing with their boyfriends, Assembler and Compiler must protect the Earth from being deleted by their former masters and an army of killer programs. 
(Source: Anime News Network)

The story revolves around two high school students Akemi and Yumiko, who share a mysterious intertwining past lives. Akemi bullied at school but a genius has managed to create a demon summoning program to get revenge but chaos ensues. The OVA is based off the first of Aya Nishitani's Digital Devil Story: Megami Tensei novels.

In times of olde, God gave mankind the ten commandments, and a message that has been lost to the centuries. In the present, Koichiro Kamishiro is a modern day Indiana Jones who scours (and often destroys) ruins for hints of the past, until one day he runs across a box filled with two crystal triangles. Having inadvertently run across the key to God's lost message, Kamishiro suddenly has a lot to deal with including assassination attempts by the KGB and the CIA, aliens hell-bent on destroying the Earth and the love of several women!

To save the Earth from alien invaders and their giant monsters, Dr. Kishida does what any other red-blooded mad scientist would do: he builds a giant robot - ARIEL - the ultimate feminine fighting robot! 
Unfortunately, his grand-daughters refuse to pilot it! Apparently, they've got more important things to do than becoming teenage super-heroes. Besides, how are you supposed to study for your college entrance exams while getting beaten-up in battle? 
Fortunately for Dr. Kishida, things aren't too well for the invaders, either. According to their reports, the Earth was the perfect target: lush, peaceful, and relatively defenseless. Theoretically, the planet should've surrendered long ago. Now, the war is at a standstill, the dreaded Accounting Department is warning about the serious cost overruns, and the head of the home office has arrived from Galactic Headquarters to personally oversee operations. Has Headquarters decided to unleash, The Audit - or do they have something even more evil in mind? 
The fate of the world rests upon two people: Aya Kishida, one of the doctor's granddaughters, who may have to give up prep school to pilot the mighty (and lovely) ARIEL; and a mysterious alien named Saber Starblast, who may have the power to defeat the invaders once and for all... 
(Source: AnimeNfo)

At a run down school the "Ultimate Teacher" Ganpachi is sent to get things back on track and prepare the delinquent students for the real world. But the students don't want Ganpachi ruining the gang they got going so their boss, Hinako, fights back Ganpachi aided by her secret power...her lucky kitty underwear. Things get more interesting when we findout Ganpachi is the result of genetic experiments.
 
(Source: Anime News Network)

X2 is basically a short prequel to the theatrical X film. It consists of four music videos. The first three are merely stills of CLAMP's pre-1994 X artwork, but the fourth is animated by Madhouse. Being the only music video that contains actual plot, the fourth video introduces some of the major characters and quickly lashes through the first few X manga (equivalent to X TV series episodes 1-3) which take place before the theatrical movie.
 
(Source: Anime News Network)

Regardless of how students handle the many academic challenges facing them, they all know that there will come a day when they will leave all the hurdles of scholastic achievement behind and tackle the triumphs and sorrows of true adulthood. One thing that many young people don`t realize is that this often means leaving behind the friends that have been with them through their youth. 
(Source: AnimeNfo)

Strange "lifepods" have crashed in the western mountains, bringing with them supernatural beings previously found only in the realm of folk-lore and fantasy. Vampires walk the Earth, at war with Humanity an each other, driven by the most terrifying of genetic imperatives. Like wasps seeking a spider, they have come to this planet for only one purpose: to perpetuate their species.
 
(Source: Anime News Network)

Mama Megami, the mother goddess and ruler of paradise is retiring. Her successor appoints a young mage named Lilith to be one of her guardians. Lilith's first assignment is to recruit two more worthy guardians for the new Mama Megami. Not an easy task, as Stashia, the first candidate on Lilith's short list is not interested. Lilith didn't even have a chance to ask the second person on the list, a warrior named Juliana due to a misunderstanding caused by Stashia's little sister Rurubell. Rurubell wants to be a guardian, but Lilith turned her down due to her very young age and lack of experience. Meanwhile, Paradise is under attack by an evil goddess who wants to dominate it, and it's up to Lilith, Stashia, Rurubell, and Juliana to thwart the attackers. 
(Source: AniDB)

Shinjuro may be a little young to be the master of a swordsmanship school, but fate didn't give him a choice. Now his position and martial arts skill land him in the middle of serious trouble when the rogue samurai Mikage faces off against the Tokugawa government, and Shinjuro and the small group of swordsmen who train at the school must now protect the town from harm. However, the group won't be challenged until the Tokugawa house calls in a favor, and the young swordsman is forced to duel Mikage himself.

The story revolves around Nikolai, apparently a part-cyborg; Galory, a young boy who apparently is part human/part Crest person, and Althea, who is entirely a Crest person. Seems the Earth and the Crest people were at war for 300 years so there's still a lot of bad feelings present. 
The ship Galory, Nikolai and others are on is ambushed and almost everyone killed by some kind of automated attack ships from a huge Crest ship that has been taken over by an automaton. 
Galory, Nikolai and Althea go to the ship to try and see if there are any survivors of an advanced party from Galory's ship that can be saved, and to see if they can destroy the Type 38 automaton in the ship's core. 
(Source: AniDB)

Just when everything seems peaceful again for Yuna and her friends, a new enemy appears in the form of three robotic sisters. Yuna must once again become the Savoir of Light to fight this strong, new evil.
 
(Source: Anime News Network)

Yuna Kagurazaka won the interstellar Galaxy Fraulein contest to become the Guardian of the Light. After defeating several threats to galactic peace (As seen in the PC Engine games), old enemies have framed Yuna for attacking and demolishing her hometown. Yuna's friends now must attempt to rescue her from her pending execution, with comedic results.
 
(Source: Anime News Network)

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