Is this another world? No, it's modern-day Japan! Four years have passed since dungeons suddenly appeared all over the world, sparking conflict over the resourc

Using his mysterious Skillbook ability, former salaryman Mizuki and his partner, a fairy named Kessie, live to fight another day. They've both had enough of the

Investment banker Mizuki was relegated to a company branch in the countryside, only to arrive and find it transformed into a dungeon--one connected to another w

ORDERS FROM ABROAD! After recent events, former salaryman Mizuki Ryosuke finds himself the man of the hour! He starts an adventuring business and enters a partn