Uehara Ayaka is one of the main characters in Dumbbell Nan-Kilo Moteru? and a student from Koyo Girl's Academy. Ayaka is a tan-skinned girl of average height with brown hair styled in a bun with bangs/a chin-length hair strand hanging on the right side and she has a slim, athletic build with highly toned abdominals. She wears a short blue tank top and matching blue shorts. Ayaka is a typically normal individual, with a competitive streak that comes out every so often. Despite implying that she only does boxing because her father forced it upon her and her sister, she clearly still enjoys partaking in the sport. According to her sister, she is very brutal when she gets serious in a fight.