Nana is one of the main characters and a member of the Pretty Four, a tag team competing in Neo Pro-Wrestling in the year 2061. She is a sixteen-year-old wrestler with brown hair and mint green eyes. An orphan, she lives with her grandmother who operates a restaurant. Nana is described as having a childlike personality and a fondness for anything cute. She is lively, energetic, and determined to become the strongest metal fighter, putting considerable effort into training and matches. Despite her generally cheerful and contagious optimism, she is also portrayed as vulnerable and emotional, experiencing moments of doubt and insecurity that she overcomes with the support of her friends and teammates. Her fighting style is unique and formidable, and she is not an opponent to be underestimated. Within the Pretty Four, Nana plays a key role as a supportive teammate, working alongside Miku, Ginko, and Sayaka as they face fierce competition from rival teams such as the Moonlight Jewels. Her development through the series involves growing as a wrestler and relying on the bonds of friendship to push through personal and professional challenges.