Toaru Majutsu no Index: New Testament - Volume 1, Chapter 5: Even If He Does Not Become a Hero. Knight(s).

A professional gamer dies unexpectedly during an E-Sports tournament and is sent to Valhalla, a heaven reserved for only the greatest of warriors.

On a certain day, a certain thought came to Japan’s Sun Goddess. ——Aren’t there too many Japanese people being abducted to other worlds? It’s true that the large majority of Japanese are diligent and docile and soft-hearted, which makes them pretty much the best people to ask for favors. “But recently it’s just gotten way too out of hand…… Oh, I’ve got it! Whenever a Japanese person is summoned, I just have to summon an otherworlder!” And now, every time a Japanese person is summoned, princesses and elves and beastmen and whatnot are reverse-summoned. Under the acknowledgement of the government, they begin living in Japan. Today, too, Japan is at peace. And so begins this laidback isekai cultural exchange story♪

Mark was your average company employee he had a decent job and a couple of good friends; life was as good as it could be well until he found himself transmigrated in the novel he used to read. This is a story of a man who is going to do everything in his power to change his fate and survive till the end to make sure the bad ending doesn't come to be.