Nayuta

Denji describes her as a "huge-problem child with an extreme personality". As a humanoid Devil, she has a natural inclination towards humans. Just like her previous incarnation, Nayuta seems to like dogs, as seen by her getting along with Makima's dogs. However, unlike Makima, Nayuta does not seem to be controlling the dogs using her ability. Nayuta is protective of Denji, wanting him to break off his relationship with Asa Mitaka, as every woman he meets tries to kill him. She seems to be very demanding, holds peace signs, and wants ice cream every day. Denji describes her as very smart. Personality-wise, she bears little resemblance to Makima. Despite referring to Denji as her property, she does seem to care very much for him. She acts very similarly to Denji, as she has picked up many of his mannerisms from being raised by him. Nayuta has taken on Denji's informal way of speaking and even laughs like Denji. She is also well-spoken at times. When first introduced, she was taciturn and very blunt when she spoke, but upon spending time living with Denji, she became outgoing and talkative. She is shown to be very impish and mischievous, turning Yoru into a "dog" with her mind-controlling powers and altering her and Asa's memories. Like Makima, she is able to perceive people using scent, getting a bad scent from Yoru and the Falling Devil. However, she does not seem to bear malicious intent, having only wanted to protect Denji in case he had made a bad decision. She has a personality befitting a human of her apparent age, and can act childish and argumentative with Denji. As he implied from Nayuta being smart enough to go to college, she also acts very precociously. Nayuta has a rather amoral personality, where much of her morality is based on her own personal preferences. When "Fami" revealed a prophecy which would spell the end of humanity and the rise of Devils, Nayuta found it to be very fun. But when Fami noted this would mean the end of modern conveniences like pizza and Chinese food, she immediately changed her mind. Nayuta also refused to help Fami since she was busy with school, demonstrating how seriously she takes her education and how she's unwilling to help others if it gets in the way of her life. Nayuta's amorality and general indifference towards others are shown further when the Chainsaw Man Church initiates their plans to strengthen Chainsaw Man and the War Devil. She had no compunction about killing any humans who attacked her and Denji, and didn't hesitate to try to kill Fumiko Mifune when she tried to stop Denji and Nayuta from returning to their apartment. Nayuta believes killing other organisms is part of nature, the same way fish swim, and trees photosynthesize, and that she instinctively feels that desire to kill others. She admits that she feels no real camaraderie with her friends at school and is indifferent to whether they die. To that point, she even expresses the desire to join the devil's side to free herself and Denji from the suffocation of human society to do what they please. The only thing that prevents her from acting on these desires is Denji. However, she is also shown to be visibly horrified as she watches Denji brutally slaughter the Weapon Hybrids, demonstrating that she is not nearly as apathetic towards the severity of violence and death as she proclaims. While defending herself against attacking civilians, Nayuta expects to feel the same excitement as Denji often does in a battle, but she admits that killing others isn't satisfying or thrilling to her compared to playing video games. When she first met Denji, she was initially confused as to why she felt pity for him and felt a desire to take his heart. After using her powers on him, she learned of her previous identity and her goal of breaking the contract Denji made with Pochita. She sought to fulfil her previous incarnation's goal of giving Denji a normal life, only to later break it to find out who she really was. However, after spending time with Denji, she eventually grew to care for him and abandoned her previous objective. She also prioritizes Denji's well-being over her own, brainwashing one of the attacking civilians of a frenzied mob to take Denji to safety while she was in the midst of being assaulted. After Pochita erases himself out of existence, thereby causing a new timeline to be created with Nayuta being reborn as the head of an unknown division, presumably Tokyo Special Division 4, instead of Makima. She retains most of her bratty personality, as seen with her being more interested in playing video games than doing her job as a Devil Hunter. Despite this, she seems to have had a better upbringing than her previous reincarnation and is instead presented as a spoiled child who was handed over such a prestigious position at a young age rather than a calculating individual with evil intentions.

Nayuta takes the appearance of a young girl with dark brown hair in colored manga, shoulder-cut hair with a single large bang that hangs in front of her face, as well as a mole under her left eye. Similar to Makima and Yoru, her eyes are yellow with multiple red-colored rings within them. In the Academy Saga, she is taller and visibly more mature, but still appears to be young. Her hair has grown longer and is woven into a braid flung over her shoulder in a fashion similar to that of Makima. In addition, she retains the long bang from her childhood, which covers her left eye. In a new reality where Pochita never existed, Nayuta dons the Public Safety Devil Hunter uniform and coat. Nayuta.png|Nayuta's debut outfit Nayuta (Public Safety Uniform).png|Nayuta's Public Safety Devil Hunter uniform

Nayuta uses her ability to fire a chain. As the Control Devil, Nayuta has the same powers as Makima, as shown when she is able to use the chain link ability. She also has all the standard Devil abilities. However, unlike Makima, she can only fire three chains at a time, and there are certain individuals she is not capable of controlling. This was shown when she failed to take control of Barem Bridge, though it's unclear whether she couldn't control any individual who was previously controlled by Makima or continue to be loyal to Makima. Nayuta can harm people with her chains, both by using them to physically subdue/damage someone. In the new timeline where Pochita doesn't exist, Nayuta retains most of her previous timeline's powers of the Control Devil, as she is seen summoning chains and using Bang! to subdue Power. * Memory Alteration: Nayuta can erase someone's memories and plant false ones into their head. That ability can be used on both humans and Devils, including Fiends. * Perception Alteration: Nayuta can change someone's perception of senses, like taste. That ability can be used on Devils.