Instructions in-game! You are Urushihara Hanzo and your access to your roommate Maou's credit card is compromised. How are you going to buy anything, now? You've found a way to get some meager pocket money online, but it's so inefficient, you'll have to upgrade it as you go.
This is a fangame of Hataraku Maou-sama/The Devil Is A Part-Timer. (And no, I'm not dead)