He Became A Monstrous Genius After Obtaining A Time Dilation Artifact - Chapter 438.Arriving at the Frontlines

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

A new emperor rules each year in Yohuachanca.Only the most delicious of food graces his palate; the realm’s most beautiful women fill his harem; his palace dazzles the mind in its beauty; and four priestesses counsel him in all matters. The life of an emperor is good, luxurious, and short. For at the year’s end, he is sacrificed to the Nightlords under the light of the Scarlet Moon.I am Iztac. A pisspoor orphan and the year’s emperor. A sacrifice bound for the altar. But the vampires have made a mistake this time. For I am a sorcerer, whose soul journeys into the secret underworld to plunder the secret spells of the dead. There, in the darkness, hides the power to drag the Nightlords off their throne. I have a year to find it, or perish for good.I may not be the first emperor, but I will be the last.

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

When I opened my eyes, I was inside a novel.