Nonoka is a female member of the fictional idol group Marronni☆Yell, recognized by her red hair. As a core member, she performs with the group to promote and celebrate the city of Shimotsuke in Tochigi Prefecture. Their activities showcase local specialties, including strawberries, gourds, and gyoza buns, through music and performances. Nonoka lends her voice to the group's ending theme "Sakura no Tegami" and the insert song "Marronni☆YELL".