Steel, Guns, and the Industrial Party in Another World - Chapter 300:

When the Soul Plague arrived, it struck fast, transforming its victims into soulless monsters. The horde swept across the land unchecked—until the Awakened appeared. These survivors, immune to the plague, turned the tide of war into a bloody stalemate. But while the front lines held, the plague continued to spread and the horde only grew in number.Desperate for reinforcements, the World Government began conducting controlled infections of its able-bodied citizens to produce more Awakened. Hill was one of the conscripts. After going through a harrowing trial induced by the plague, his life was torn apart and remade: he emerged Awakened, endowed with strange new powers—but also bound by a dark curse that resides deep within his own soul.As Hill learns to wield his abilities alongside fellow survivors, he uncovers unsettling truths about the plague’s true nature and the hidden price of becoming one of humanity’s last line of defense.

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

Luo Ling, an expert in the art of disguise, was bound to a System and was eager to begin his task.

As a result, before even successfully completing a mission, he got married!

At a 36 degree angle, Luo Ling sorrowfully looked up into space: “Tong’er, tell me, do I still have a chance to free myself?”

System: “… Your man is behind you.”

Luo Ling: “!!!”

The person who arrived, gathered Luo Ling in his arms, hugging him from behind as he said in a bewitchingly dangerous tone: “Based on your thoughts, it seems that I have not given you enough love. So let’s proceed in exploring ways to continue a new life.”

- Description from Novelupdates