Wakainkyo no Susume Petto to Katei saien de Kimamana Nonbiri Seikatsu no, Hazu COMIC

Fumio Asou, a former medical examiner, seeks a peaceful daily life to heal his weary heart. He decides to enter into "Early Retirement" alongside his childhood friend, Mikihiko Shukawa.

But just as they begin their new life, a massive cavern suddenly opens up in the basement of their home... and for some reason, there is a puppy there too...? It turns out this mysterious basement is actually a "Dungeon"—part of a phenomenon suddenly occurring all over the globe!

Without even realizing it, the pair become the "First Conquerors," acquiring unprecedented Cheat Abilities and a Divine Beast. Now, traveling freely between modern Japan and the Otherworld, they decide to enjoy their lives exactly as they please!

"What should we have for dinner?" "Let's grill this monster!" "Woof!"

Accompanied by their pet Divine Beast, this is the laid-back adventure tale of a close-knit duo of young retirees!