Jobless Loner to Millionaire: After My Company Went Bankrupt, I Started Diving Into Modern Dungeons for Cash

Saguru Oana is a passive guy with no money, no job, and no girlfriend. Desperate for cash, he downloads a shady-looking app called Dungeon Go! Only to find himself pulled into a dangerous game of real dungeon exploration. But for some reason… he suddenly gains a cheat ability right from the start?! After rescuing a girl named Kyoko from a monster and teaming up with her, their skills turn out to be an insanely good match. Together, the two of them start raking in huge amounts of money with ease!! Source: MU