A series of Freezing Omakes from the japan release of DVD's. Unavailable in the USA/Canada

High-class Robotics School a.k.a. Kousen is a high school that professionalizes in robotics. Although they have won many robotic competitions, they are not very well known for anything. The story doesn't focus on the school itself, but revolves more around a boy named Kaneko and his misfortune in the school. He is forced to cross-dress and do various "things" throughout the school year. No one knows what will happen in this school, especially when the senpai are a bunch of perverts!

Vow of Vengeance. Seventeenth-century Japan: A rebellion in the Aizu teritory has been brutally crushed, leaving twenty one brave warriors dead and most of the nuns of the local convent slaughtered. Now the surviving nuns have sworn to seek revenge. They turn to the greatest swordsman of the land to train them so they can kill the ones who slew the men and the other nuns.

From Tokyopop:
Through a series of coincidences, Yoshinori wound up having to fill in for his beautiful older sister as a model for a bridal gown. Now, he has discovered that he has a liking for cross-dressing, and that by doing so, he is learning a great deal about what it means to be a woman--and a man.

Contains a short story entitled "Reason" in volume 2

This is Shotaro Ishinomori's manga adaptation of Shozo Numa's seminal S&M science fiction epic.

1968. Germany, a Japanese student of a rich family, is about to graduate and marry his girlfriend Clara. But, one day, an UFO falls down their mountain's chalet, shifting their life

The story is set in the distant mountain village of Okukozome-chou. Kasugano Haruka and his twin sister Sora have fond childhood memories of going to the village to visit their grandfather during their summer vacations. However, after losing their parents in an accident, the two must move in with their grandfather.
The twins get reacquainted with their old childhood friend Yorihime Nao, their new classmate Nakazato Ryouhei, the shrine maiden Amatsume Akira, and Akira’s friend Migiwa Kazuha. All seems peaceful and familiar. However, beneath the surface is a secret promise that the twins made with each other long ago, the whereabouts of an important lost item, and the real reason they chose to come back here.

This allows you to become the girl of your dreams?! Delightful imagination meets meticulous art to satisfy the senses. Make way for the adult comedy sensation of the year! 

The continuation of the adventures of the Ouu army. The story is centered around Weed's children ? Sirius, Orion, Rigel, and Bellatrix and several other children of Ouu's veterans. New characters have been introduced such as Kurohabaki Masamune, the current main antagonist and leader of the notorious Kurohabaki Clan.

Source: Ginga Wiki

Part 1: Hiroshima, 1955. Ten years after the city was consumed by a scorching flash of light, a woman's soul is still deeply shaken by the earth-shattering explosion that devastated her home and changed her life forever.
A family from Hiroshima struggles to come to terms with their survival of the atomic bombing of their city. The protagonist is Minami Hirano, about 20 years of age.
Part 2: Set some decades later, the niece of Minami Hirano is bewildered by her father's mysterious disappearances. She and a friend follow him to discover what he is doing.
The main theme of this is historic manga concerns the question what impact the war and the atomic bombing had on the most vulnerable. Fumiyo Kôno examines this question in her outstanding book- an award-winning, widely-discussed masterpiece.

Note: Won the 2004 Japan Media Arts Festival's Grand Prize for manga and the Tezuka Osamu Creative Award in 2005.

Yugo Beppu is a master negotiator and mediator. Fluency in five languages, Socratic wit, and a deep understanding of human nature combined with top-level international connections make him a formidable operator.

Gi Yuh is the leader of the strongest gang in his high school. He lives together with his younger sister, who seems to love him.
When saving the beautiful Ha Na from a truck he instead gets injured and lies in coma for two weeks. During these two weeks he dives into a strange dreamworld and after his recovery he is not the same anymore. He regularly dreams about what seems to be a past him. To find out what happened to him he asked his teacher for help, who has friends, who deal with fortunetelling and supernatural powers. Here he finds the answer to his strange condition: He is supposed to be a "higher ghost", who takes the position of a dead or soon-dying person.

The one-shot opens with two slightly different members of a yakuza group talking together at a family restaurant. The yakuza group is in the middle of a dispute, and some members visit a young man named "Damiyan" who has a mysterious power.

In the middle of a high school assembly, all of the students suddenly collapse. The one behind it all is a girl named Mao who holds a grudge. She's out for revenge against the entire school!

A bloody war that spans millenniums. Two soldiers set out to kill each other. An encounter that could change their two species’ fate forever.

From Mohiro Kitoh, the author of Narutaru and Bokurano, comes this wonderful collection of short stories that reinforces his reputation as a skillful story teller. Spanning almost 20 years of the artist’s career—from his professional debut work Zansho to his latest contribution to IKKI magazine Pochi no Basho—this collected volume offers a unique view of Kitoh’s artistic development.

Includes:
1. Zansho - Summer Heat
2. The Girl on the Pole at the Intersection on 3rd Street
3. Bringing Flowers to Kasei Inn
4. Soiled, Beautiful
5. A & R
6. Papa's Song
7. Pochi's Place

In fifteenth century Rome, witches have declared war against humanity. A young man named Nikola, whose parents were cruelly murdered by a witch before his eyes, discovers that he is now the key to winning the war. Using sorcery skills acquired through years of careful study, Nikola must revive twelve witches known as the “First Witches” who will become his allies and weapons to defeat the enemy. But there is one small hitch: in order to revive the witches from their eternal slumber, Nikola must form a marriage contract with each one. Just how many witches can Nikola marry in order to save the world?