The Regressed Demon Lord is Kind - Chapter 581

An ordinary person who has passed through the Marvel World to gain the phagocyte ability and began to devour superpowers, and became the king of Marvel!

There are many female lords. The protagonist has gradually become the king of the Marvel world from ordinary people. The initial ability is the physique that changes through traversing. It can devour and stabilises without any side effects. The system is only an aid, you can also cross the plane!

- Description from Novelupdates

Within the popular VRMMORPG «New Genesis», there was a ranker by the name of Arthur Holmes, commonly known by his in-game alias «Merlin».

Behind the calm smile lies a heart riddled with scars.Beneath the weight of fate burns an unyielding gaze.A body trapped in the abyss of despair—if it reaches out, can it grasp the light called hope?A soul locked upon the rack of destiny—if it prays sincerely, can it embrace the future called redemption?

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