Asa Mitaka

Alias(es)
Chainsaw Woman (by Yuko)
Species
Human
Occupation
High School Student
Private Devil Hunter (formerly)
Wild Fiend Host

Affiliation
Yoru (coerced)
Four Horsemen (via Yoru)
Fourth East High School
Devil Hunter Club
(formerly)
Chainsaw Man Church
Relatives
Unnamed mother †
Unnamed father †
Crambon (pet) †
Contracted Devils
Aging Devil
Appearance: Asa is a high school girl of average height. Though initially a little skinny, she later develops a more feminine build, possibly from puberty or her increase in physical strength from being a Devil Hunter.
She wears her school's female uniform which consists of a long-sleeved button up shirt worn beneath a pinafore style dress with a pleated skirt that extends below the knee, a bow at the collar, a wide belt at the waist, and black, knee-high socks. She also wears sneakers. After freeing Denji from the facility, she is seen wearing a baggy top with a t-shirt underneath and black pants. Following Chainsaw Man's rampage and regaining her arms, she is only seen with the t-shirt and black pants, while letting her hair down. After Yoru runs away from Public Safety with Denji, she wears a long shirt, a dark color t-shirt and pants.
Personality: Asa is a quiet and unsociable girl. She dislikes her classmates, frequently wishing they would drop dead and spurning any offers of friendship.
She has a very negative outlook on the world, other humans, and Devils, and tends to assume the worst of others. She is, however, very fond of cats and would rather kill a human than a cat.
Asa later admits to herself that her mean-spirited attitude towards her peers was a result of jealousy and a lack of belonging. She also suffers from low self-esteem and considers herself to be clumsy. Despite this, Asa can be falsely self-assured and overconfident such as her belief that she would easily be able to seduce Denji. When the public gives her the recognition she yearns for, she initially claims to dislike being popular but then smiles while watching people on TV praising her. Asa can be extremely socially inept, so much so that the War Devil shows more social awareness than her despite having limited knowledge about humanity. For example, she believes that giving Denji long lectures about ocean facts on their aquarium date would be a great way to win his affection. Over time, Asa becomes a skilled manipulator, coercing Katana Man to betray Public Safety by taking advantage of his hatred towards Chainsaw Man, claiming she wants to fight Chainsaw Man herself.
Despite being capable of compassion, Asa's selfishness proves to be a hindrance even when she wants to do good. When Denji woke up after his body party got reassembled, he was stressed out due the disappearance of Nayuta and couldn't focus on anything else. Asa could relate to a family member dying because of her and tried to get him to fight "her." Upon Fami suggesting that food could change his demeanor, Asa asks Denji what he'd like to eat. When he answers with sushi, Asa refuses since she can't stand seafood. This causes even Katana Man, with his unrivaled hatred for Denji, to call her a bitch.
Her moral compass is somewhat artificial, as she is often more worried about the consequences certain actions carry instead of the actions themselves. For example, she doesn't feel bad about having accidentally killed Bucky but feels bad because of the looks her peers gave her. This also gets reaffirmed in the aquarium, where Asa refuses to kill Denji after being trapped and starved for several days. She doesn't do so because it goes against her morals but because she does not know what is right and wrong and constantly tries to avoid making mistakes.
Asa is fairly altruistic, putting herself in harm's way to save others even when she is afraid. Asa would be willing to endure bad situations if only she were to suffer, but refuses to drag others with her. After being saved by Chainsaw Man, she realizes she's glad she's not dead and is no longer as negative towards other humans or towards all Devils. However, this was short-lived as she easily fell back into depression and even during the Falling Devil fight.
Asa doesn't cope well with failure or when things don't go her way. Because of past experiences, she is extremely afraid of making mistakes. Once she does make a mistake, however, she usually gets very angry and blames everyone around her except herself.
Though after calming down she'll break down in self-deprecating rants.
She seeks validation as shown by her internal monologue during her meeting with Yoshida or breaking down and seeking comfort from Yoru despite being afraid and screaming at her mere moments prior.
She struggles with trust and fears being alone, yet also fears approaching others because she worries about making mistakes and ending up alone once more. This puts her in a "cognitive dissonance" as she puts it, where she's afraid of both solitude and companionship. She is shown to have a negative opinion on sexual intercourse when Chainsaw Man reveals his main drive in life is to have sex, and she openly expresses disgust. She believes people only have sex when there's nothing better to do, and the thought of mixing her saliva and sweat with someone else sickens her.
Despite being previously shown to be very timid and frightful during Devil encounters; motivated by her desire to "save" Chainsaw Man, Asa quickly becomes a proficient Devil Hunter, seemingly having managed to become braver and more confident than before.

Asa suddenly became an ordinary person with no demonic powers.