Angels from the planet Eden have been watching Earthians, the inhabitants of Earth, for 5 billion years. Chihaya, an angel with unlucky black hair and wings, is a plus checker who travels to Earth with Kagetsuya, a minus checker. Each team of plus and minus checkers keep track of Earth events and, if the score ever reaches minus 10,000, the Earth will be destroyed. The story follows Chihaya and Kagetsuya and the different people and events they observe on Earth.
After being flushed down a toilet, 15-year-old Yuuri Shibuya is transported to an alternate world called the New Demon Kingdom, and is told that he is to be the new king of the demons. Helped by four of his subjects, Conrad Weller, Günter von Kleist, Wolfram von Bielefeld, and Gwendal von Voltaire, he must learn how to rule an entire country, as well as how to prevent a war between the demons and the humans who live beside them.
Twelve year old Aoyagi Ritsuka is left with his insane mother as his only family when his brother, Seimei, is killed suddenly. After moving to a new school, he meets Agatsuma Soubi, who claims to have known his brother. Ritsuka discovers that Soubi and Seimei used to be a fighting pair, whereby Soubi was the "Fighter" and Seimei was the "Sacrifice". Now that Seimei is gone, Ritsuka has inherited Soubi, who will become his "Fighter". After learning that Seimei was killed by an organization known as the "Seven Moons", Ritsuka decides to investigate into his brother's death, with the sometimes useless help of Soubi, along the way.
The story takes place in a fictional world that has just begun a great world war. Klaus von Wolfstadt, from one of the nations of the "Western Alliance", has left his duty as a soldier to his nation in order to be a knight to Taki Reizen, commander of the 15th division "Rozen Maiden" whose country has an alliance with "Eurote", an enemy of the Western Alliance. The story follows their romance as it evolves from friendship to love, battling mistrust, doubt and anger before solidifying in an unshakable bond. At every turn their relationship is tried and tested, battered by both enemies abroad and those at home as they struggle with their own feelings for one another.
In a city known as No.6, an elite student named Shion saves a young boy called Rat, who happens to be an escapee from the local prison. After being reunited with Rat years later, the two begin to uncover the dirty secrets of the 'ideal city' No.6 while discovering more about themselves and their love for each other along the way.
With a father who's a singer, a mother who's a movie star, and an older brother Shougo who's the lead vocalist for the super-popular band "The Crusherz," Sena Izumi-an otaku college student-is the only dull one born into this super-famous and talented family. He loves "Magical Girl LalaLulu" and is working hard to become a mangaka, but one day he winds up appearing in a TV commercial he just can't turn down. There, he's reunited with Ichijou Ryouma, the super-popular young actor he costarred with on a project ten years prior.
Tamari Ayumu suffers from Crystallization Syndrome, crippling illness which causes his body to start turning to crystals whenever he becomes anxious or depressed. He chases after the romantic affections of his teacher, Onihara Koya, who spurns him at every turn, unwilling to accept love from a student.
While spending summer with his mother, Haru meets Ren, a boy newly adopted by his mother. Getting along with Ren isn't easy as Haru's goal is to "civilize" him by the time summer ends. Their relationship slowly improves as Haru spends more time with Ren and in return Ren steadily gives his love up to him. Can they become a "family" at the end of summer?!
Love is love. Someday, the pain of being in love will be an endearing memory. No matter who the feelings are towards, no matter what form it takes, all love and lifestyles have the same value. An omnibus anime tells the stories of "The wedding of an ex", "a student and a teacher at an all-boys' school" and "childhood friends whose bodies and hearts change with adolescence."
Makoto's grandfather was the principal of the great Onodera Academy, and when he passed away, he left Makoto and his school staff with one very important will - "The one man who is able to seduce Makoto with his superb sexual techniques will be given the right to take over as Onodera Academy's new principal!" Because of this ridiculous last request, Makoto is now every faculty member's target for sexual harassment! Desperate to protect his virginity, Makoto seeks help from his childhood friend (and the man who he has always loved), Kintaro.