Spiteful Healer - Taking a break!

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume

After being expelled, the ace soldier Chen Feng returns to the city and inexplicably becomes the fiancé of a cold and aloof campus belle.His life as an extraordinary figure begins by stepping on arrogant second-generation heirs and embracing the goddess campus belle.

Akira, was born in the slum and wishes to get out but the only way he could was to risk his life in these ruins as a hunter.

A top hacker was chosen by the Lord God to be reborn into countless worlds, always as an expendable villain.

With no free will, every world became a dead end. Every one of his lives ended tragically.

Finally, after wresting control of the Villain System, this ace hacker decided to enact revenge. Even if his very bones were rotten, he’d choose to occupy the very heights of morality, if only on the surface.

Thus, he would change his fate as an abused slag.

- Description from novelupdates