Fumiko Mifune

Fumiko Mifune (フミコ) is a Public Safety Devil Hunter from Tokyo Special Division 7 who works with Hirofumi Yoshida. She is the bodyguard of Denji who attends Fourth East High School with him to protect Denji from threats who may know his identity as Chainsaw Man.

She first appeared in the Current arc of the Academy Saga, and is a supporting character.

Appearance
Fumiko Mifune is a jolly young woman with short black hair. Her hair has a rather unkempt appearance though her bangs are tied into two ponytails at each side of her face. Fumikos eyes are unusually large with giant black irises, containing a white circle within them. Her unusual eyes could be explained by a Devil contract, as was the case with Akane Sawatari. Her demeanor is also quite unique, always wearing a wide, uncanny smile, which never leaves her face.

Despite her age, she dresses like a highschooler and usually wears the same school uniform that Asa Mitaka, and other girls from Fourth East High School have. Her appearance is considered "cute" by other characters.

Personality
Fumiko is generally a very upbeat woman who constantly has a smile on her face. She is also quite perverted as she gropes Denji's crotch without his consent and then offers to have sex with him despite them never having met before, and their age difference. Her attraction to Chainsaw Man does seem somewhat obsessive, saying that she fell in love with her "senpai" because he was the one and only Chainsaw Man. Fumiko generally seems to be a happy-go-lucky, fun-loving person who passionately sings karaoke in the middle of getting swarmed by an aggressive mob, stating that she didn't want her songs to get interrupted.

Overall, Fumiko can be seen as quite inconsiderate and unprofessional, groping a teenager without asking for his permission, wanting to do an unsanitary activity like sexual intercourse in a semi-public location, singing first before doing her job of protecting Denji, and making all kinds of sexual and romantic advances towards him.

She also loves fighting, as she grabs a baseball bat to join Denji fighting the mob instead of singing the song's second verse, saying that it seems "more fun." Furthermore, it appears that one of the main reasons as to why she fell in love with Chainsaw Man was due to his physical prowess.

Current arc
After being introduced to Denji by Yoshida, she quickly sits down beside him and immediately starts groping his genitals, ignoring the sad story Denji was explaining. This throws Denji out of his depth, and leaves him speechless briefly. She inquires about his virginity and proposes that she could be his first sexual encounter, if he entertains her by licking a nearby corpse of a Devil. Denji is skeptical, yet he immediately goes to lick the tendril, with his obedience going to the extent that he sucks on it in a rather risqué manner just because she asked him to.

Subsequently, Fumiko escorts Denji to a private karaoke room, insinuating that the establishment's owner would overlook their intimate activities. Denji asks if they should start, before the date interrupts him with a spontaneous karaoke session. Denji considers her singing strong enough evidence that this entire date isn't a trap, before he's interrupted by a hoard of random men armed with baseball bats that try to assault him inside the room. Grabbing a bat from one of the strangers, he charges into the hallway and knocks out the rest of his attackers whilst Fumiko continues singing. As soon as she finishes, Denji turns to her, asking if there's a second verse, to which she says that the fight seemed more fun, picking up a bat of her own. The two of them engage in a staredown, only for the Fumiko to rush at him with her bat. However, instead of striking him, she throws it towards one of the fallen men of the ground, who appeared to be holding a gun. Picking it up, the date notes how it's only a model, though stating that it makes sense that they couldn't afford real ones.

Confused, Denji asks if she's actually his enemy, as despite her defending him, she was singing whilst he was being attacked. Yoshida answers for her, saying her name is Fumiko Mifune and that she's his "junior." Fumiko then reveals she's actually part of the Tokyo Special Division 7 for Public Safety, and that she's been assigned to be his high school bodyguard, despite being 22 years old. Fumiko swoons over Denji's strength in his human form, to which he replies that she's probably only flirting with him as part of the job. Fumiko disagrees, stating that she does actually really like him; after all, he is the one and only Chainsaw Man. Yoshida then gently hits Fumiko to reprimand her for not taking her job seriously, before reaffirming that Denji will never have to fight again.

Skillset

 * Blunt Weapon Proficiency: Armed with a baseball bat she was able to swiftly knock out and disarm a man brandishing a pistol, although the gun was later revealed to be non-functional.

Trivia

 * Fumiko's surname is comprised of the kanji "三" meaning "three" and "船" being an old spelling for "boat." Her given name, whilst not written in kanji, is fairly common, but often means "beautiful child", "child of history" or "child of art."
 * Her surname seems to parallel Asa's, as both contain the kanji for three. Fumiko's surname containing the kanji for boat could be done to contrast how Asa's surname contains the kanji for hawk, as since they travel through the sea and sky respectively, they could be considered opposites.
 * Fumiko's frozen smile, squinting eyes and lewd behaviour could all be a reference to the infamous Windowlicker music video by Aphex Twin, which feature scantily-clad women with similar expressions frozen on their face.