Isekai Kaeri no Yuusha wa, Dungeon ga Shutsugen Shita Genjitsu Sekai de, Influencer ni Natte Kin wo Kasegimasu!

is a Japanese light novel series written by Y.A., with illustrations by Kyunosuke. The series began publication on July 15, 2022 by ASCII Media Works under their Dengeki no Shin Bungei publishing imprint.

Synopsis
It was Ryoji Furuya, a high school student who seems to be anywhere, is a former brave man and is now the strongest distributor in the world! He who subdued the Demon King in a different world and returned to the present age saw a dungeon familiar to him in the other world. Some people around the world have become adventurous aptitude, and the era of great adventurers begins. However, when Ryoji realizes that many people are confused by the rapid changes in the times, he comes up with a good idea to distribute "Dungeon Strategy Video" by making full use of his skill as a hero. His ideas were so addictive that he quickly became the world's number one influencer and president of a unicorn company. What's more, he was relied on by super-elite international students, influential people, and even the presidents of other countries, and finally he started working on videos of government projects ...! A modern dungeon delivery life where the brave who subdued the Demon King is unrivaled as an influencer in the real world!