Toaru Majutsu no Index: New Testament - Volume 1, Chapter 5: Even If He Does Not Become a Hero. Knight(s).

To be is to have a soul. The soul begets a will. Wills accumulate into mysterious psychic forces, weaving secret domains within the fabric of reality.

Dante was an ageless warlock who had been going from one battle to another for hundreds of years.Following a chaotic encounter with an evil god, Dante unintentionally activates a contract with a demon, thrusting him into the modern world.Resolved to live a peaceful life, his intentions are halted when he finds himself in the middle of a conflict among rival mafia factions—dabbling with the ominous demonic magic that he knows best.

Traveling through the world of movies, TV series, cartoons and novels, you can freely copy the blood, skills, knowledge, and even memories of others …

- Description from Uukanshu

Nagi who was summoned to another world acquired the「Skill Structure」skill.

Nagi felt the hints of black job from the king’s request 「To defeat the devil king」. He leaves the castle and starts his journey with a slave girl.

The small demon girl Cecyl, the melee-fighter beast girl Rita , Aine the onee-chan maid, Regii the cursed sword.

Rafiria the warm and fluffy elf and Iris the sea dragon shrine maiden.

Nagi rewrites the girls’ skills and made them into 「cheat characters」one after another.