Minori Kato is a high school girl who works part-time at a small tuckshop named Hiroko. She is one of the female characters encountered by the protagonist Sanshirou after he returns to his hometown following graduation. Physically, she is often described as being among the most attractive of the girls, with a feminine and gentle appearance. Her personality, however, is noted for a dual nature: outwardly she presents a sweet, approachable demeanor, but she can be calculating or duplicitous, which causes some others to view her with suspicion. This double-sided behavior stems from her motivations, which are primarily romantic and self-interested. She engages with Sanshirou as a potential love interest, and her interactions show a willingness to use her charm to achieve her goals. In the story, her role is that of a secondary heroine who adds tension and variety to the harem dynamic. Her key relationship is with Tomomi Mizuno, as the two share a strong friendship that is highlighted in an episode centered on a hot spring trip they take together. Minori does not undergo significant personal development over the course of the OVA; her character remains largely consistent as a flirtatious and somewhat manipulative figure. She possesses no notable abilities or skills beyond her social acuity and appealing looks.