Primordial: I, Dijun, Only Want to Build the Great Desolation - Chapter 37 - 33 The Fall of Wang Shu

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

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Joshua woke up in the middle of a battlefield one day only to discover that he has been transmigrated into a popular MMORPG, Continental War. Discovering that he has not only been displaced in space but also in time, Joshua realizes he has knowledge of the events unfolding around the world as he had played through them as game events. Read on to discover how Joshua forges his path towards becoming a legendary warrior!

“Are you still going to run away?”“No, not anymore.”He loved her to the point of paranoia, a compulsion that penetrated his bones and was impossible to cure.“Babe, you can only smile at me.”“Babe, I’ll get you everything you like.”After getting revived, Qin Shu’s eyes were as bright as snow and she had high intelligence. She held on to her handsome and rich husband, refusing to let go, devoting herself to protecting and pampering him. She worked hard to become stronger so that she could stand shoulder to shoulder with him.Before her revival, Qin Shu believed the words of her younger sister. She hated him, blamed him, and devised a thousand ways to run away from him.Yet, he loved her deeply, pampered her with all his heart, and allowed her to behave atrociously.