Live action TV
Description
Kimi Nishino is a human character who becomes deeply entangled in the world of ghouls through her relationship with Nishiki Nishio. Originally a medical student at Kamii University, she is a young woman with short brown hair styled in a hime cut, often with the left side tucked behind her ear, and brown eyes. She is known for wearing matching bangles with Nishiki as a symbol of their bond.

Kimi's background is marked by profound personal tragedy, as she lost her parents and younger brother in an accident, leaving her completely alone in Tokyo. It was during this period of intense grief that Nishiki Nishio approached her, and they began a relationship. His presence helped pull her from the depths of loneliness and despair, creating a deep-seated loyalty that would define her character. This backstory is the foundation for her unwavering acceptance of Nishiki, even after she discovers he is a ghoul.

In terms of personality, Kimi is defined by her remarkable loyalty and inner strength. She is calm, hardworking, and discreet, capable of keeping the dangerous secret of her ghoul lover and his associates, a crime considered more severe than aiding human criminals. When she first discovered Nishiki's true nature, he was severely weakened and, driven by hunger, attacked her. Rather than flee in terror, Kimi offered him flesh from her own shoulder, telling him to survive. This act demonstrates her profound devotion and pragmatic courage. Her worldview is nuanced; she acknowledges that if she had been born a ghoul, she likely would have killed to survive, and she is willing to turn a blind eye to a ghoul's necessary feeding as long as it does not involve someone close to her. Her ultimate motivation is not just personal love but a larger, determined dream to create a world where humans and ghouls can coexist peacefully.

Kimi's role in the story evolves significantly from a supporting figure to a key contributor to its central conflict. Initially, she is Nishiki's secret human lover, living a normal college life while keeping his identity hidden. Her presence serves as a catalyst for Nishiki's character, showing a ghoul capable of deep love for a human. She becomes a target for the gourmet ghoul Shuu Tsukiyama, who kidnaps her to use as bait for Ken Kaneki, leading to a major confrontation. Later, after the Owl Suppression Operation, Nishiki leaves her to protect her, and she disappears from the immediate narrative for a time.

Her most crucial role emerges in the final arcs. Seeking to understand ghoul biology in order to bridge the gap between species, Kimi willingly becomes an assistant to the unethical scientist Akihiro Kanou. While she disagrees with his cruel methods of ghoulification, she acknowledges his unparalleled expertise and seeks to acquire his knowledge for her own benevolent goals. After Kanou's death, she and other assistants bring their research to the CCG, providing essential information to help quell the Dragon crisis. Her work as a researcher is instrumental in the story's resolution, as she becomes one of the leading developers of synthetic food that ghouls can eat, aiming to eliminate their need for human flesh.

Kimi's key relationships are primarily centered on Nishiki Nishio. Her bond with him is the emotional core of her character, a relationship built on mutual salvation and acceptance. She also forms a significant, though more professional, connection with Ken Kaneki, initially an enemy of Nishiki's but later an ally she trusts. Her time as Kanou's assistant places her in a complex student-teacher dynamic with the series' most amoral scientist, though she is described as his ideological opposite and antithesis. Her actions also forge connections with the broader cast, including Touka Kirishima, whose kagune she famously and innocently compliments as beautiful, and even Ayato Kirishima, whom she treats with respect, helping to soften his hostile view of humanity.

Over the course of the series, Kimi undergoes significant development. She transitions from a college student whose world revolves around her secret boyfriend to a determined and proactive scientist. Her period away from Nishiki, working directly with Kanou, shows her independence and dedication to a cause larger than her personal safety. In the epilogue, she has continued her research, with her two stated dreams being to regulate the sense of taste so ghouls can enjoy human food and to eventually take on the Nishio surname, indicating her enduring commitment to a future with Nishiki.

Kimi possesses no supernatural or combat abilities. Her notable abilities are entirely intellectual and scientific. As a medical student and later a researcher, she has a deep understanding of human biology which she expands into the field of ghoul science. Her most significant contribution is her expertise in developing synthetic food sources for ghouls, a skill that directly advances the series' ultimate theme of coexistence.
Cast