Akito Kuroori was a human summoned to another world, but he averted a crisis, became a hero, and returned to the real world.

Soon after, he underwent an aptitude test. In exchange for various support, he was offered membership in 'the Academy' and 'a Special Unit,' a condition he accepted.

However, the world he returned to was not the one Akito remembered.

To his utter surprise, dungeons had appeared in the world.

Then, at an operator's suggestion, he begins livestreaming in dungeons. However, due to his immense strength, he starts pioneering previously unexplored territories one after another!

Despite their overwhelming power, these individuals lead lives commensurate with their capabilities, while continuing their dungeon exploration within the dungeons, just as they did in the other world!

Also posted on other novel submission sites.