Asa is from the manga Chainsaw Man. Asa is a high school girl of average build and height. She has brown eyes that are usually pitch dark, though the irises become much brighter in some situations. Her hair is black. The hair reaches the middle of her back, and she wears it in two low twin tails. Asa is initially a quiet and unsociable girl. She dislikes her classmates, frequently wishing they would drop dead and spurning any offers of friendship. The ride side of her brain is used by Yoru.