Only I Know that This World Is a Game: Volume 5 by Usber

It’s time for the Gold Loner Nolime hunt, and Souma is hoping to hit the jackpot and be set for life! The arrival of Mitsuki Hisame threatens his get-rich-quick scheme, but he’s got a slew of unconventional techniques at his disposal, so he refuses to give up. Nothing is ever easy for Souma, though, and there’s even more unexpected trouble on the horizon... Will the savvy player be able to use the tricks up his sleeve to avoid an early end to his adventure?