My Reality Is an Archive Game

This is a different world. In the city under the neon light, there are demons and monsters hidden, as well as all kinds of people who interact with them. Nagano Muming, a high school student who accidentally made a contract with the god named Yama in ancient legends, began to secretly search for and eradicate "evil" in order to obtain a blood contract and trade with that glorious existence. "Is this a gift from the completion of the contract?" "The ability to go back in time?" "I prefer to call it, file loading!" "Okay! Then save it here!"