A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.

The Meiji Era was one of great renewal for Japan, where swords and killing were outlawed. However, many survivors from the time of Revolution still live, lurking in the shadows and waiting for a chance to use their killing blades again. Only Kenshin Himura, formerly one of the most brutal of killers, hopes to keep his swordsman's honor and still live in the new era.

Guts, a wandering mercenary, joins the Band of the Hawk after being defeated in a duel by Griffith, the group's leader and founder. Together, they dominate every battle, but something menacing lurks in the shadows.

"Never lose that strength or nobility, even when you grow up." When Utena was just a child and in the depths of sorrow, she found salvation in those words. They were the words of a prince, who bestowed upon her both a ring and the promise that it would lead her to him again. She never forgot the encounter. Now a teenager, Utena attends the prestigious Ohtori Academy; however, her strong sense of chivalry soon places her at odds with the student council and thrusts her into a series of mysterious and dangerous duels against its members.

Madö King Granzört is a Japanese young children's animated television series that aired from 1989-1990. It was produced by Bandai Visual and animated by animation studio Sunrise. It also spawned 3 special direct-to-video episodes and two movies. A boy named Daichi Haruka takes on a journey to the moon, where he gets involved in a fight between the Takamimi, Miminaga and evil tribes. Daichi gets in Granzort, one of the machines of the Malevolent Deity Ruling Light, to fight in the world of magic.

I thought that when I entered high school, my days of believing in aliens, time travelers and ESPers were going to be over. That is, until she introduced herself. Claiming to be interested in only aliens, time travelers, and ESPers, Haruhi Suzumiya was the strangest girl I've met in a long time... Before I knew what's going on, I've been dragged into her weird club, and it looks like I'm not the only one who has been drafted into this "SOS Brigade" of hers, because there are three other students who don't seem to be so ordinary themselves.

While on a field trip to the Tokyo Tower, three middle school girls suddenly find themselves in another world and must save its princess to return home.

Genki is a boy who loves playing the Monster Rancher games and one day he's somehow transported into the world of the video game where he meets the girl Holly and the monsters Mochi, Suezo, Golem, Tiger and Hare. Together, they are searching for a way to revive the Phoenix, which is the only monster capable of stopping the evil Moo.

Keitaro and his childhood sweetheart make a promise to be accepted at and to meet each other at the prestigous Toudai University before she moved out of his life. About a decade later, Keitaro has become an artist and a daydreamer, having ranked 27th from the last in the national practice exam. When his grandmother leaves the all-girls dormitory, he becomes the residential manager and soon meets up with two Todai applicants who may have been that sweetheart, since he`s forgotten her name. Then there the other tenants like young Shinobu who was in despair until Keitaro helped her, Motoko the swordsmaster who sees men as evil distractions, Su Kaolo the genius child inventor and the sneaky Kitsune.

300 years ago, the interstellar colonization transport, The Mesopotamia, had an accident, setting mankind down on the surface of Terra II. The only survivors were six males. Due to a twist of events, the hard-working Otaru visits the run-down Pioneer Museum, where, remembering his childhood, he sees the painting of a woman, titled: "In the memory of the human female." Suddenly a trap door opens under him, dropping him into a room with a hibernation capsule containing a beautiful female android, a so-called Marionette. Also see: Saber Marionette R

Daa! Daa! Daa! UFO Baby is a Japanese children's animated television series produced by J.C.Staff, Directed by Hiroaki Sakurai, and was aired on NHK-BS2 from March 28, 2000 to February 26, 2002.

Kintaro Oe is a 25-year-old boy who left Tokyo University and now lives a simple life, traveling by bicycle to learn everything he can about the world.

Saint Tail is a phantom thief magical girl manga and anime series. Originally a twenty-four part manga by Megumi Tachikawa, the story was adapted into an anime television series by producer Tokyo Movie Shinsha, with forty-three episodes and one short, broadcast by ABC. Tokyopop translated the manga series, and subtitled and partially dubbed the anime series. Video Games were released for the Sega Saturn and Sega Game Gear in Japan, and are considered collectors items by Saint Tail fans. The Tokyopop book summary states that it is "Robin Hood meets Sailor Moon!"

Aika Sumeragi works as a salvager for hire, but gets caught up in a plot for world domination.

Princess Tutu follows Duck, a duck who was transformed into a young girl and takes ballet at a private school. She becomes enamoured of her mysterious schoolmate Mytho, and transforms into Princess Tutu to restore his shattered heart. Mytho's girlfriend Rue transforms into Princess Kraehe to frustrate Tutu's efforts, and Mytho's protective friend Fakir discourages Mytho's burgeoning emotions. When it becomes apparent that Duck, Rue, Mytho, and Fakir are meant to play out the characters in a story by a long-dead writer named Drosselmeyer, they resist their assigned fates and fight to keep the story from becoming a tragedy.

Prince Pietro is the half-human, half-dragon prince of the kingdom of Popolocrois. After the evil GamiGami tries to take over the Kingdom, a mysterious girl named Hyuu appears in the forest near Popolocrois Castle, which is the beginning of an adventure for Pietro, his witch friend Narcia, and all their friends.

One fateful day, Karin, a junior-high student, found what she thought was an injured piglet. However, the piglet was just exhausted from hunger. After the piglet regained his health by eating Karin's apple, he revealed that he is a prince, Tonrariano III, from a planet called Booringo. Tonrariano wanted to reward Karin for helping him and so he transformed her into a pig with superpowers. Karin was not at all pleased with the gift because she wanted to become a pretty superheroine like "Cutey Chao" (a parody of Cutey Honey), not Super Pig. Reluctantly, she became more interested in her role as Super Pig when she found out that she can turn into someone like "Cutey Chao" if she can collect 108 pearls through doing good deeds for other people.

12-year-old Misaki Suzuhara has just gotten involved in Angelic Layer, a battling game using electronic dolls called angels. Even as a newbie, Misaki shows advanced skills as she meets new friends and enters Angelic Layer tournaments to fight the greatest Angelic Layer champions of the nation.

Erika, the princess of the Magic Kingdom has come to Earth in order to find a human girl who looks just like her. That girl turns out to be Himeko Nonohara, a tomboy's tomboy. Erika must give Himeko a magical item she has created in order to prove her worth as a successor to the crown. Himeko must test this item, a hair ribbon that allows her to transform into any other person she sees, to see if it is worthy. The series follows Himeko's adventures and her budding romance with Daichi, the boy who discovers her secret.

Haré was a happy boy living in the jungle with his mother, but then one day Guu showed up.