The Devil Is a Part-Timer!, (Light Novel) Vol. 10

Olba's plot has forced Emi to go along with his demands in order to keep her father and his lands safe. Even in her dire straits, she racks her brain for a way to outsmart the Archbishop. But in a surprising turn of events, the feared Devil King has traveled to Ente Isla to saved the Hero! However, Maou realizes he still hasn't regained his original form or any demonic abilities... What is he going to do as a powerless human?! Can these two unlikely friends pull off a miracle? Meanwhile, Suzuno and Ashiya may have some ideas that could help...