Kaho is fixated on men's muscles above all else, indifferent to sports and personality types. Her obsession leads her to Natsume, the ideal Muscle Prince in her eyes. However, when Natsume learns of her muscle-centric mindset, he surprises her by proposing that she becomes the manager of the basketball team, a team he happens to be a part of. With nothing to lose and everything to gain, Kaho embarks on this unexpected journey as a devout muscle enthusiast.