Fumino Serizawa is one of the central characters in the anime series Mayoi Neko Overrun!. She is known for her strong-willed and sometimes tsundere personality, often showing a tough exterior while hiding her more caring and sensitive side. As a childhood friend of the protagonist, Takumi Tsuzuki, Fumino plays a significant role in the series, often finding herself in comedic and romantic situations. Her interactions with other characters showcase her multi-faceted personality, making her a beloved figure in the series.