My Room Is a Dungeon Rest Stop (Manga) Vol. 3

Biographical Note:
Tougoku Hudou is a Japanese author best known for My Room is a Dungeon Rest Stop. Takoya Kiyoshi is a Japanese artist best known for the manga series My Room is a Dungeon Rest Stop.

Publisher Marketing:
DM ME! Touru's Tokyo apartment may lead to a dungeon in another world, but that doesn't mean he's strong enough to defeat the monsters lurking within it. So, through the power of modern science, Touru comes up with a risk-free Level-Up Plan, hoping to extend his life and become the Dungeon Master. But has someone else besides Touru made their way into the other world?!