The Devil Is a Part-Timer!, Vol. 12 (light novel)

Thanks to Maou and friends, Emi has made it back in one piece, though at the cost of her job. Adding insult to injury, Maou confronts Emi with a bill for "expenses incurred" during her rescue: 350,000 yen! Emi is shocked, but she can't bear to be indebted to a demon. Soon she's searching for a new job to pay off the balance.