The Empress's Gigolo - Chapter 908 - Mountain Spirits

Liola—the best assassin in his world—has vowed to kill no more. He was being chased by an assassination organization when he accidentally dropped into a parallel universe: through a dimensional gate and into poor teenager Kaiser’s apartment. Instead of going to the government shelter for lost dimensional travelers, Liola and Kaiser wind up going to school together.

Liola has been trying his best to live the life of an ordinary person, but after certain things happen one after the other, he begins to realize that being an ordinary person could be harder than being an assassin.

Tens of billions of people around the world come to the heavens to kill the world at the same time.

Hundreds of countries including Lighthouse Country, Dragon Country, Sakurajima Country compete!

Qin Feng awakened his supreme talent at the beginning!

SSS-level talent – endless extraction!

He can extract everything! Including extracting gods and demons!

【Successful extraction! You get space skills! 】

【Successful extraction! You get time skills! 】

[The extraction is successful! You get 100 strength attributes! 】

[The extraction is successful! You get 100 points of agility! 】

[The extraction is successful! You have obtained A-level talent! 】

[The extraction is successful! You have obtained an S-level talent! 】

[Successful extraction! You get SS-level talent! 】

Since then, Qin Feng has started the road of infinite harvesting……

- Description from novelbuddy

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 teenager finds himself in the Marvel World with the Dragon Balls, and has to find a way to survive!

Shenron: “Say your wish! Any wish can be granted, but you only get one…”

Teenager: “Any wish could be granted?”

Shenron: “Of course!”

“Great!”

Teenager: “Shenron, please get me out of the Marvel World; return me to my original world!”

Shenron: “I’m sorry, I can’t do that…”

“….”

Teenager: “What? What were you bragging about then, saying you can grant any wish?”

Shenron: “Your body is from this world, therefore….”

“….”

Teenager: “Okay, then give me the power of a Super Saiyan! I want be able to beat Thor and Hulk, surpass Captain America and Iron Man!”

Shenron: “I’m sorry, I can’t do that…”

Teenager: “Worthless dragon! What can you do?”

Shenron: “I can…”

- Description from Novelupdates