Nagisa Kurihara is a supporting character in Sketchbook ~full color'S~, serving as an upperclassman to the protagonist Sora Kajiwara within the school's art club. She is a second-year high school student with a notably petite stature, standing 147 centimeters tall, and has short brown hair and brown eyes. Her birthday is July 7, and she has blood type AB. Nagisa has a deep, almost scholarly fondness for nature, with a particular fascination for insects; she is knowledgeable about various species and spends much of her free time observing and appreciating the natural world around her. This enthusiasm extends to a broader love for all living things, which she expresses with genuine warmth and curiosity. Her likes include jujube, mountain peach, monkey pear, and silverberry, while she dislikes wasps and leeches. Nagisa is quiet and gentle by nature, often appearing calm and reserved in social situations, yet she is approachable and kind-hearted. Her primary motivation is to pursue a career as a biotope caretaker, a goal that reflects her desire to preserve and nurture natural habitats. In the story, she functions as a supportive senior club member who offers guidance and companionship to the younger members, especially Sora. She is frequently seen in the company of Juju Sasaki, a fellow club member with whom she shares a close friendship. While Nagisa does not undergo dramatic personal change over the course of the series, her consistent presence reinforces the club's atmosphere of gentle creativity and appreciation for the small wonders of everyday life. Her notable abilities include a rich practical knowledge of insects and plants, as well as a patient, observant demeanor that complements her artistic pursuits and her dream of environmental stewardship.