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 will show you just how terrifying 
the power of a high demon is—
سأريك كم أنّ قوّة الشّيطانة 
—السّامية مرعبة
Ich werde dir schon zeigen, wie fürchterlich
die Macht einer ranghohen Dämonin ist …
Verás lo aterrador que es el poder de…
Vas a ver lo aterrador
que es el poder de…
Tu ne sais pas
à quel point un démon peut…
Ti mostrerò quant'è terrificante il potere di un arcidemo—
Mostrarei como o poder da Mestra
dos Demônios pode ser assus—
Я покажу, сколь страшна сила высшего демона...