Dungeon Busters-middle-aged man, but dungeon appeared in the garden, so we save the world ~ (1-3 volumes latest publication)

the publisher:
Author: Kazunobu Aoi, Fuyuma Shinozaki, Senri GAN
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Shonen manga, manga
Latest release date: 2023-08-24

Synopsis:
All of this body is the master (master) -so let's save me and the world?

Kazuhiko Esumo was a business consultant as a living business and enjoyed singles.
However, suddenly, a dungeon in his home garden -"Abyss" appeared and it changed!
The "Dungeon System" launched by stepping into the interests, and even a mysterious Kunoichi and Akane, who claim to be the servant of Esha, appear, and tell the fact of the shock.
"In the future, 666 dungeons will appear around the world, and if you can't capture everything within 10 years ..." Mankind will be destroyed by the Demon Serious Flood. "
Furthermore, it is Esusha who knows that fact is one of Esusa who started the system.
In order to save the crisis of the world that has been invited unintentionally, he first started dungeon verification and improvement -"Dungeon DIY" ...
The dungeon capture tan to protect the future of mankind from one corner of Tokyo, the opening!