A brilliant norwegian girl, supposedly the most beautiful girl in the world.
She's usually a genius bro, friend, a perfect girlfriend, and a superb bacon-cook
An Asta usually have the most gorgeous eyes one has ever seen, and her laughs can make a boys knees go numb.
Person A: I saw this girl the other day, and I was completely stunned by her beauty!
Person B: I think you might have seen an Asta
Person A: Ah, that totaly makes sense!