Keita and the other Marginal Prince are away from St. Alphonso Academy and meet each other in the city, where they meet Keita's sister. 
Extra episode released with the 7th DVD volume.

A year has passed since Tsukune was sent to the Youkai academy. Tsukune has gotten used to life there, or so he thought. As a second year, him and the girls are looked up to by the juniors. On the first day back to school, a sudden encounter with Shuzen Kokoa, takes a turn for the worst. What Adventures or should we say, misadventures await our human, vampire and friends?

This is considered episode 26 of the series which was only included on the final DVD. It primarily focuses on the aftermath of the final TV episode (25).

The story is set in a fictional Germany and centers around the outbreak of biomechanical creatures named "Demoniacs", who rise from corpses and attack people mindlessly. The Demoniacs have the ability to merge with most technology including cars and motorcycles, not only gaining control of them but also enhancing their performance greatly. Against them is a group of people known as XAT, Xenogenesis Assault Team, who police these Demoniacs in an attempt to keep the peace and discover the reasons for the "Demoniac" change. All the while, a number of human-turned-Demoniacs appear. Some use their powers for good whilst others for evil. One will rise above all other Demoniacs to become the "Blassreiter". 
(Source: Wikipedia)

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!

DVD only episode 15. Creed seeks out media attention to reveal the existence of Chronos. Meanwhile, Sephiria seeks out Train to untangle the riddle of his desertion, but becomes the unwitting prey of a defector of a far darker nature. (Source: Crunchyroll)

In the future (subsequent to the events of the television series) Kate, Rose, Rachel and Claire divide their immortal lives between study and vigilantism. Their past link to the red garden on Roosevelt Island comes back to haunt them after mysterious transfer students Louise and Edgar seek out their friendship.

"Marginal Prince" based off of the hit love simulation game series for girls! Yuuta studies abroad in a tiny, far away island in the pacific ocean name Alphonso where he enters the all-dorm, all-male Alphonso Gakuen. However, the school is really a place for the children of the famous ... and the school specializes in classes on empires and alchemy! And one day, after studying enough at the school, the students become known as "Marginal Princes"! Learn about the stories of fate and trial as each of the students studies to become kings! 
(Source: Crunchyroll)

In the floating continent of Neo Verona, the Montague family seized control and murdered every member of the Capulet family with the exception of Capulet's daughter, Juliet Fiammata Asto Capulet. 14 years later, Juliet and the remnants of Capulet's retainers live hidden from the iron fist of the Montague family. Juliet has long forgotten the murder of her family or her identity, and cross dresses as Odin and the town's hero of justice, "Red Whirlwind". A sudden escape in her daily escapades leads her to meet Romeo Candorebanto Montague, the kind son of the tyrannical Montague. Destiny has been set as these two individuals soon to be "star-crossed lovers" are cruelly toyed with by fate in the midst of war. Loosely based on the play by William Shakespeare.

It is two hundred years after the beginning of the Space Era, when human civilization on Earth began expanding into space. However, by the start of the 21st century, two meteors struck the planet, sending humanity into chaos. By the year 179 of the Space Era, secret technology, dubbed Extra-Over Technology, or EOT, was discovered by the Earth Federal Government within a third meteor that hit Earth in the Marquesas Islands of the South Pacific. Dr. Bian Zoldark, head of the EOTI Institute (Extra-Over Technological Investigative Institute), had evidence the creators of the EOT were heading to Earth, in order to reclaim it...or worse, invade the planet. In order to defend humanity from extraterrestrial threats, the government begins to research and develop humanoid mecha called Personal Troopers.
 
(Source: Anime News Network)

Strange suicides have been taking place in New York. One day, four girls from the same high school wake up in the morning feeling tired and dizzy and not being able to remember anything about the previous night. In school, they find out that one of their classmates has committed suicide. School is canceled for the rest of the day, but instead of going home, the girls are drawn to a park by butterflies only they can see. Suddenly a man and a woman approach the girls, telling them that they all died the previous night.
 
(Source: Anime News Network)

Alice Malvin commands a military propaganda unit, but she idealistically yearns to cut through the deception. When she uncovers a super-soldier program known as The Invisible Nine, she finds herself trapped in a web of deadly secrets. Malvin turns to an unlikely ally—Randel Orland, a hulking veteran who may hold the key to unlocking the mysteries of The Invisible Nine. 
(Source: Crunchyroll)

In the future, a meteor crashes into Earth and brings with it a virulent form of life. This virus is known as M34 and attacks humans, turning them into vicious monsters. Most of the human population is wiped out, thus government agencies are formed to fight the virus. One of the groups, NOA, inserts nanomachines into the bodies of its soldiers; these machines allow them to transform and fight off the infected. Unfortunately, the virus mutates and becomes too strong for NOA to handle. Now the fate of the world rests in the hands of 16-year-old girl with the power to defeat the virus. 
(Source: AniDB)

Long ago, the Forest was awakened and the Moon unleashed a ravenous Beast upon the Earth. Centuries later, as humanity struggle to coexist with the Forest, Agito revives slumbering Toola, who calls forth ancient technology to reshape the future from the ashes of the past. With the blessing of the Forest, Agito must save Toola from herself in order to rescue them all. 

(Source: Crunchyroll)

Masane Amaha and her daughter Rihoko are on the run from a government child welfare agency that wants to take Rihoko away from her mother. They are caught and Rihoko is taken away. Meanwhile, Masane is attacked by an advanced weapon that can disguise itself as a human being. When faced with the danger, a strange light emits from her wrist and she transforms into a powerful being. She destroys the weapon and consequently becomes involved in a power struggle between powerful organizations, with her at the center of their attention. Because she holds the greatest power of them all, the legendary Witchblade. 
(Source: AniDB)

Several hundred years in the future, the resources of the Earth runs out, and the progression of the human race has stagnated. The world is now divided into "Units". A boy named Hajiki Sanada lives with his mother and sister in Unit 74, in a place called "Night Town", in which all electricity is shut down at midnight. The key in this story is an object called the GAD. GADs have the ability to reconstruct materials while reacting to feelings of an organic life. The size and shape of the resulting product seem to be different depending on the kinds of feelings that the life possesses. When Hajiki comes in contact with one by accident, it transforms into a huge robot--a Tekkoudo, or "Iron Giant"--which Hajiki names Lightning. And soon he realizes that he isn't the only one with a Tekkoudo, and must find out how to deal with those others who he feels are the "same" as himself.
 
(Source: Anime News Network)

Gankutsuou is an anime loosely based on the novel The Count of Monte Cristo by Alexandre Dumas. It tells the story of Albert Morcerf, a young aristocrat who happens to befriend a wealthy nobleman, The Count of Monte Cristo, through a series of bizarre events. Fascinated by the Count's charm, Albert invites him to meet his friends and family, all of whom happen to be part of the upper class society of Paris, France. Unfortunately, little does Albert realize that the Count has ulterior motives in mind. 
(Source: MAL Rewrite)

Life sucks for Hibiki. Intergalactic society has broken into civil war between males and females; he's stuck on the assembly line for war mecha, relentlessly teased by his co-workers and unable to pursue his dreams of building his own mecha one day. He finally decides he's had enough though, and attempts to break in and steal a mech for his own purposes; this turns out to be a bad idea, thrusting him into the middle of a fever-pitch space battle that brings him face to face with the enemy and launches him into an adventure that will change his mundane life forever. 
(Source: AnimeNfo)

In the far distant future, on a planet that might have been called "earth", there was a war between samurai who mechanized their bodies. After the long war, people enjoyed a modest peace. 
Facing starvation and abductions at the hands of fearsome mechanized bandits (Nobuseri), the farmers of Kanna Village make the dangerous choice to hire samurai for protection. The village's water priestess, Kirara, her younger sister, Komachi, and a heartbroken villager, Rikichi, set off to hire willing samurai with nothing to offer but rice from their meager harvests. Through dangerous encounters and a bit of luck, seven samurai of varying specialties and experience are gathered for an epic battle against the bandits and the merchants that influence them. 
Note: Samurai 7 is based loosely upon Kurosawa Akira's famous movie "Seven Samurai"/"Shichinin no Samurai".</.i>

Although traumatized by witnessing the murder of his parents by one of the Choushuu, Ichimura Tetsunosuke's thirst for revenge lead him to desire strength. At the age of 15, Tetsunosuke approached the Shinsengumi, wanting to become one of its members. However, Tetsunosuke lacked the skill, mind and will to emotionlessly cut down whoever threatened peace and the Shinsengumi. Even with the support of his brother Tatsunosuke and his newfound friends of the Shinsengumi, little did Tetsunosuke know the blood and pain he would have to face being part of this historical group.

In a crime-ridden future Japan, Kyohei Tachibana is a peaceful student at a culinary school, dreaming of going to France for advanced study as a patissier (pastry chef). To afford the trip, he accepts a part-time job as private cook to a strange group of women - Sei, Meg, Jo and Amy. To Kyohei's astonishment, they turn out to be a band of violent mercenaries, and he finds himself in the line of fire. 

It's the dawn of the Golden Age of Aviation on planet Prester, and retro-futuristic sky vehicles known as vanships dominate the horizon. Claus Valca &ndash; a flyboy born with the right stuff &ndash; and his fiery navigator Lavie are fearless racers obsessed with becoming the first sky couriers to cross the Grand Stream in a vanship. But when the high-flying duo encounters a mysterious girl named Alvis, they are thrust into the middle of an endless battle between Anatoray and Disith &ndash; two countries systematically destroying each other according to the code of chivalric warfare. Lives will be lost and legacies determined as Claus and Lavie attempt to bring peace to their world by solving the riddle of its chaotic core. 
 
(Source: Funimation)

Train Heartnet is the infamous gunman 'Black Cat', a cold-blooded assassin who works for the organization known as 'Chronos', bearing the mark XIII on his body. Most of his life was surrounded by violence, so Train is quiet, asocial and uncaring. However his life changes as he encounters the mysterious Sweeper (bounty hunter), Saya. Her unique way of living interested Train but tragedy occurs, resulting in Train changing the way he has lived towards the life of a Sweeper with newfound friends Sven and Eve.

The heirs to the Kouga and Iga ninja clans, Gennosuke and Oboro, hoped the unsteady truce between their tribes would last—but fate denies the lovers, thrusting their people into war after centuries of peace. The terms are set on two scrolls. One bears a list of Kouga warriors. The other holds a list of those who fight for Iga. The names found on these scrolls can only be crossed out in blood. 

(Source: Crunchyroll)

The Great Kanto Desert is a miserable place. It’s also the home of hero-for-hire Desert Punk, the closest thing to a good guy the wasteland’s got. He’s known as the best man for any job, but his reputation is undone by his raging hormones when curvy Junko uses her double-D charms to double-cross him. With debt hanging over his head, Desert Punk sets out to salvage his name. 
(Source: Crunchyroll)

GDH