Shows like Gankutsuou

Follows the exploits of the young sorceress Lina Inverse, whose life revolves around food, treasure, and fighting. After stealing treasure from a group of bandits, Lina is accosted by stragglers during her journey to the next town. She's not in any real danger, but a dim-witted but good-natured swordsman named Gourry Gabriev springs to her rescue anyways. The two team up, and head to Atlas City, fighting foes they encounter on the way. Unbeknownst to them, two mysterious figures are hot on their tail, and they are especially interested in the “treasure” Lina and Gourry have stolen.

The "paranormal science" story follows nine idiosyncratic individuals, linked by the "Choujou Kagaku Kirikiri Basara" occult summary blog run by 17-year-old second-year high school student Yuuta Gamon. Little incongruities that occur around these nine eventually lead to a larger, unimaginable event that may alter what is considered common sense in this world.

Light Yagami is an ace student with great prospects—and he’s bored out of his mind. But all that changes when he finds the Death Note, a notebook dropped by a rogue Shinigami death god. Any human whose name is written in the notebook dies, and Light has vowed to use the power of the Death Note to rid the world of evil. But will Light succeed in his noble goal, or will the Death Note turn him into the very thing he fights against?

Arslan is the heir apparent of Pars, a strong nation that sits at the hear of the trade route connecting the East and the West. When the pagan nation of Lusitania begins an invasion of Pars, the timid Arslan is confronted with battle for the first time. His worst anxieties are realized the Parsian army falls for a Lusitanian stratagem and are routed. He barely escapes with his life, thanks to the loyal and indomitable warrior Daryun. Together they will stand against the invasion and the cruelties of fate that are about to blow down on Pars.

Asta and Yuno are two orphans who want the same thing: to become the Wizard King. Locked in a friendly rivalry, they work hard towards their goal. While Yuno excels at magic, Asta has a problem uncommon in this world: he has no powers! But, on the day they receive their grimoires, they surprise everyone. To reach their goal, they’ll each find their own path to greatness—with or without magic.

Yuki Takeya, Kurumi Ebisuzawa, Yuri Wakasa, and Miki Naoki decide to stay over at school. Along with the school adviser Megumi Sakura, they suddenly find themselves to be the final survivors of a zombie attack, and continue to live and survive at the school.

Following the success in the Camelot Singularity, Ritsuka Fujimaru and Mash Kyrielight are assigned to the last Singularity in the Grand Order initiative. In Ancient Babylonia, 2500 BCE, they embark on a mission to secure humanity's survival. Upon arrival, they learn that three gods have threatened Uruk, the Babylonian city ruled by King Gilgamesh. Ritsuka and Mash must work together to fend off the invasion of mysterious beasts in Uruk under Gilgamesh's orders while investigating the true nature of the three gods' actions against humanity; but unknown to Ritsuka, an ancient entity is slowly rising from its slumber.

At Cross Academy, two student disciplinary committee members are tasked with keeping the peace between a human class and a night class of vampires.

In mankind's grasp for the future, a sinister foe known only as Gargoyle begins his plans to take over the world. Nadia, with the help of a young inventor, Jean Ratlique, and Captain Nemo of the submarine Nautilus, must fight to save the world from Gargoyle and Neo-Atlantis.

Ban Mido and Ginji Amano run a freelance business of recovering anything lost or stolen. They call themselves the GetBackers, and they're a super powered duo.

The story follows a team of pirate mercenaries known as the Lagoon Company, that smuggles goods in and around the seas of Southeast Asia in the early to mid 1990s. Their base of operations is located in the fictional harbor city of Roanapur in southeast Thailand near the border of Cambodia.

When a shapeshifting demon with a thirst for human flesh, known as "youma," arrives in Raki's village, a lone woman with silver eyes walks into town with only a sword upon her back. She is a "Claymore," a being manufactured as half-human and half-youma, for the express purpose of exterminating these monsters. After Raki's family is killed, the Claymore saves his life, but he is subsequently banished from his home. With nowhere else to go, Raki finds the Claymore, known as Clare, and decides to follow her on her journeys. As the pair travel from town to town, defeating youma along the way, more about Clare's organization and her fellow warriors comes to light. With every town cleansed and every demon destroyed, they come closer to the youma on which Clare has sought vengeance ever since she chose to become a Claymore.