Naoko Naruse is a main character in the anime Let's Make a Mug Too. She is a high school student attending Oribe Gakuen High School and lives across the street from Himeno Toyokawa's house. Naoko has light brown hair cut to ear length and blue eyes, and she is often described as having a tomboyish vibe. Her birthday is October 5, and her blood type is B.

Naoko is a diligent and passionate student who shows genuine enthusiasm for pottery. She is supportive and collaborative, always ready to encourage her friends and help out in the pottery club. Despite her outgoing exterior, she secretly enjoys doing interesting things by herself, such as reading comics and playing computer games. She is also a great fan of the coffee served by Himeno's father, Tokijiro, at his restaurant.

Her primary motivation is to enjoy the craft of pottery alongside her friends and to grow through hands-on experiences. She values teamwork and the bonds formed through shared creative work. Naoko plays an important role in the story as a member of the pottery club who helps Himeno settle into her new life in Tajimi and discover her own passion for pottery. She is the childhood friend of Mika Kukuri, and the two have a close, easygoing relationship. Together with Himeno and club president Tooko Aoki, Naoko forms part of the core group that drives the club's activities.

Throughout the series, Naoko develops her pottery skills, learning patience and precision. Her attention to detail is a notable ability, reflected in both her craft and her thoughtful interactions with others. She also demonstrates a strong sense of responsibility and empathy, often sensing when her friends need support. Her journey highlights the joy of learning and the importance of community in artistic pursuits.