Clevatess

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.

Iwatani Naofumi, a run-of-the-mill otaku, finds a book in the library that summons him to another world. He is tasked with joining the sword, spear, and bow as one of the Four Cardinal Heroes and fighting the Waves of Catastrophe as the Shield Hero. Excited by the prospect of a grand adventure, Naofumi sets off with his party. However, merely a few days later, he is betrayed and loses all his money, dignity, and respect. Unable to trust anyone anymore, he employs a slave named Raphtalia and takes on the Waves and the world. But will he really find a way to overturn this desperate situation?

Fourteen warriors set out to prevent an invasion, but only seven return. Three died along the way, and four were slain for betraying the empire. In truth, it is the Seven Heroes who turned on their allies so they could take all the glory. Ascheriit was their victim, but now, 20 years later, he is back to get revenge.

Spurred by the flame raging in his heart, the Black Swordsman Guts continues his seemingly endless quest for revenge. Standing in his path are heinous outlaws, delusional evil spirits, and a devout child of god. Even as it chips away at his life, Guts continues to fight his enemies, who wield repulsive and inhumane power, with nary but his body and sword—his strength as a human.

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.

Humans and katawara are at war, but there are those on each side who join forces. Tama is a fox spirit who loves humans, while her sendou brother, Jinka, despises them. Together, they use the power of spirit transformation to defeat the monstrous katawara and put an end to the evils of this chaotic age. What destiny awaits the duo at the end of their journey?

After a Momotaro assassin suddenly kills his adoptive father, Shiki vows to avenge him. But first, he must learn to control his newly awakened Oni blood.

His past life and current life are intersecting--a boy with memories of two lives faces his destiny! After his mother was killed at an early age, the orphaned Rio fought his hardest to survive in the slums. One day, he awakens to the memories of Haruto Amakwa, who died in an accident while dreaming of being reunited with his childhood friend, and Rio realizing he has reincarnated in a world of swords and sorcery.

In a world of monsters, adventurers and magic, some of the most gifted healers are subjugated to brute force. Keyaru gains the ability to rewind time and turns the tables on those who’ve exploited him in this dark fantasy tale of vengeance and fury.

The Diclonius, a mutated homo sapien that is said to be selected by God and will eventually become the destruction of mankind, possesses two horns in their heads, and has a "sixth sense" which gives it telekinetic abilities. Due to this dangerous power, they have been captured and isolated in laboratories by the government. Lucy, a young and psychotic Diclonius, manages to break free of her confines and brutally murder most of the guards in the laboratory, only to get shot in the head as she makes her escape. She survives and manages to drift along to a beach, where two teenagers named Kouta and Yuka discovers her. Having lost her memories, she was named after the only thing that she can now say, "Nyuu," and the two allow her to stay at Kouta's home. However, it appears that the evil "Lucy" is not dead just yet...

As a legendary hero nears victory against a necromancer known as The Corpse God, things take an unexpected turn with the dark sorcerer’s final gambit—reincarnation magic. This last-ditch effort catches the brave fighter off guard, and now he’s a boy named Polka Shinoyama in a whole new world! The showdown between good and evil just got epic.

When Haruhiro awakens, he’s in the dark surrounded by people who have no memory of where they came from or how they got there. As the darkness fades, a fantastic new world called “Grimgar” appears before them and their adventure begins—but first, they’ll have to choose their guild, class, and special abilities.