Minami Ōyaba is a student at Urawa Third High School and a main character in the anime Musasino!. She comes from a family that runs a live music venue, which influences her involvement in both the Railway Club and the Light Music Club. Minami is known for her cheerful and boyish demeanor, often referring to herself using the masculine pronoun boku. She tends to act at her own pace and has a talkative nature, frequently saying more than necessary and drawing playful criticism from her classmate Tokiwa. Minami is childhood friends with Shirabe, also known as Usagi, and their long-standing bond forms a meaningful part of her social circle. Her dual club participation reflects her versatility and enthusiasm for experiencing different activities. While not deeply explored in dramatic arcs, her consistent energy and distinct mannerisms contribute to the group’s dynamic, providing both comic relief and warmth. She has no supernatural abilities, but her confident and self-directed attitude marks her as a spirited member of the ensemble.