
Nagisa Kubo
Nagisa Kubo |
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Kanji: | 久保 渚咲 |
Romaji | Kubo Nagisa |
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Age: | Unknown |
Birthday: | August 2nd |
Height: | 160 cm |
Portrayed by: | |
Japanese: | Kana Hanazawa |
English: | No English Dub Yet |
Nagisa Kubo (久保 なぎさ, Kubo Nagisa), is the female protagonist of Kubo-san wa Boku (Mobu) wo Yurusanai. She is a second-year student in Class 1 at Haruka North High School. Nagisa is known for being one of the few people who can easily find Shōta Shiraishi, the series’ male protagonist, despite his natural tendency to be invisible to others. Her ability to spot Shiraishi, who is typically overlooked by most people, marks the beginning of their unique relationship.
Nagisa’s role in the series is central to Shiraishi’s personal growth, as she not only helps him navigate his social invisibility but also brings out his more expressive and confident side. Nagisa is a lively and assertive character, and her interactions with Shiraishi form the emotional core of the story.
Background

Appearance in Anime
Nagisa Kubo’s background is relatively straightforward, as she is a classmate of Shōta Shiraishi at Haruka North High School. Unlike Shiraishi, Nagisa is a highly perceptive and outgoing person who can easily pick up on social cues and navigate interactions with others. Her ability to spot Shiraishi and connect with him serves as a catalyst for their relationship, which grows throughout the series.
Nagisa’s naturally observant and empathetic nature makes her an interesting counterpoint to Shiraishi’s socially invisible presence. Though she is part of the high school setting, Nagisa’s ability to see Shiraishi as an individual worth connecting with sets her apart from the others. Her background, while not heavily explored, is crucial to understanding her dynamic with Shiraishi and how she helps him come out of his shell.
Appearance
Nagisa Kubo has a bright, energetic, and approachable appearance, which matches her assertive and outgoing personality. She is often depicted with short hair, which complements her active and confident nature. Her expression is generally warm and inviting, and she exudes a sense of comfort and openness that contrasts with Shiraishi’s more reserved, invisible persona.
Her attire typically consists of the standard school uniform, which fits the high school setting. Her style is practical, but her lively demeanor shines through, making her a character who stands out through her expressions and body language rather than her appearance alone.
Personality
Nagisa Kubo is characterized by her lively, outgoing, and confident personality. She is someone who is not afraid to take charge in social situations and is adept at connecting with others, which makes her the perfect counterpart to Shōta Shiraishi, who is often overlooked and invisible in social settings. Her ability to notice Shiraishi, despite his lack of presence, highlights her perceptiveness and understanding of people.
Nagisa is also empathetic and supportive, always willing to reach out and engage with those around her, especially Shiraishi. Her kindness and energy create a safe space for Shiraishi to begin breaking free from his social invisibility. Despite her confidence, she also shows a playful and gentle side, particularly when interacting with Shiraishi, demonstrating her understanding of his emotional struggles.
Her determination to help Shiraishi and her natural ability to draw people in make her an important figure in his life, helping him grow emotionally and socially. Nagisa’s personality is one of emotional depth, balanced with her lively spirit and encouraging nature.
Role in the Story
Noticing the Invisible: Kubo’s story begins with her noticing Junta Shiraishi, a boy so ignored by everyone else that he seems invisible. She starts sitting beside him, talking to him, and playfully teasing him, claiming it’s “fun” to interact with someone so quiet. Her persistence begins to chip away at Shiraishi’s walls, giving him a glimpse of what it means to be seen and valued.
Encouraging Growth: Through a series of casual and heartfelt interactions be it walking to school together, exchanging texts, or sharing small secrets Kubo helps Shiraishi build confidence and social awareness. She becomes his emotional anchor, gently guiding him toward opening up to others and finding joy in connection.
Subtle Romance: As their relationship deepens, Kubo’s playful teasing becomes more affectionate, and she begins to show signs of romantic interest. Though she never forces her feelings, her consistent support and emotional closeness make it clear she truly cares about Shiraishi, and wants him to feel seen, not just by her—but by the world.
Relationships
Junta Shiraishi: Kubo’s main focus and love interest. While others overlook him, Kubo makes it her mission to acknowledge and include him in everything. Their relationship slowly evolves from casual teasing to sincere companionship, and later into mutual romantic feelings, built on trust and emotional growth.
Tama and Hazuki: Kubo’s close friends who occasionally notice her interactions with Shiraishi. While they’re not fully aware of her romantic intentions early on, they support her and provide comic relief in group settings.
Kubo Family: Kubo has a younger sister and a supportive family that occasionally appears in the series. Her interactions at home show her more caring and down-to-earth side, offering additional depth to her cheerful school persona.