Just as peace is beginning to reign in Azusa's home, a young elf named Halkara shows up pleading for her help. Halkara says that an energy drink she made angered a terrifying high demon, Beelzebub, who is now out to kill her. Azusa would prefer to avoid anything that might ruin her slow life, but she can't just leave the poor girl to die, so she reluctantly agrees to shelter her...
I made another careless mistake...
...اقترفت خطأ متهوّرًا آخر
Ich hab schon wieder einen
fahrlässigen Fehler begangen …
Volví a cometer un error.
He cometido otro error tonto.
Tout est encore ma faute…
Ho fatto un altro stupido errore...
Eu cometi outro erro terrível...
Очередная моя бездумная ошибка...