Along Came an Elf (S01E03)

Just as Azusa is finally enjoying some tranquility in her home, a young elf named Halkara arrives, desperately seeking her assistance. Halkara explains that her homemade energy drink has inadvertently provoked a fearsome high demon, Beelzebub, who is now hunting her down. While Azusa would rather steer clear of any chaos that could disrupt her peaceful life, she can't bring herself to abandon the frightened girl. Thus, she hesitantly decides to offer Halkara refuge…