Only I level up my dungeon equipment! ~ An exiled incompetent alchemist repeats alchemy to create the strongest equipment. Heroes, demon lords, and gods can't win against SSS rank weapons~

20 years ago, a huge tower that pierces the sky suddenly appeared in Tokyo Bay. And the dungeon weapon with mysterious power excavated from that tower changed the world.

The equipped item is impervious to bullets, can fly through the air, and even crushes rocks with bare hands. People explore dungeons with such dream-like power-giving equipment, and in search of it.

The main character of this story, “Kenya Mitsurugi,” is one of the boys who dreams of this profession.

Exiled. Fired. He was laughed at as incompetent.

An “alchemist” who was once abandoned as an incompetent profession and gave up on his dream.

However, Kenya’s world changes completely with the power of an awakened alchemist.　

The hero who became the only one in the world who can evolve dungeon weapons rises with that power.　　　

This is dungeon adventure, dungeon encounters, and dungeon success.