I Was a Sword When I Reincarnated (WN) - Chapter 897

The overhead of the Tang Dynasty, the story of capturing the spirits.

“The stones on the other mountains are hard enough to carve and polish jade”.

To Prince Cheng, Lin Chengyou, Teng Yuyi is the piece of “jade” that he can not capture.

The proud son of the heavens is on the road to chase his wife to death.

- Description from Novelupdates

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

Gu Bailu has transmigrated. She was in Dubai one second ago, but the next thing she knew, she finds herself in a deep, dark forest. To make things worse, her body has been poisoned and s*x is the only antidote. Thinking that she will die in the middle of nowhere, she somehow runs into a handsome guy who’s semi-conscious. Eager to rescue herself, Gu Bailu lies him down, not realizing that he is Prince Zi, a powerful and brutal man who has killed every woman that had approached him. Her life is saved, but she can’t get away from him…

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates