Only I Know that This World Is a Game: Volume 4 by Usber

Souma Sagara escapes from Ramrich in the way he knows best—by exploiting any loophole he can find—and touches down in the royal capital! He can’t rest easy, though, as danger lurks around every corner. And his momentary, blissful freedom is soon interrupted by a mysterious blue-haired girl who suddenly appears before him. Will Souma be able to solve the mystery of her identity? More importantly, can he find a way to earn enough cash to prevent an early game over? Get ready for phase two of the loner adventurer’s RPG journey!