Nagatoro Hayase is a 16-year-old high school student. She is a freshman and a member of the school's softball team. Nagatoro loves to tease and bully Senpai, but deep down, she has feelings for him. She comes from a wealthy family, with her parents owning a prestigious ryokan. Nagatoro has an older sister who is a university student. She is athletic, energetic, and confident, but also has a vulnerable side. Nagatoro has a complex personality, often switching between her cheerful and sadistic selves. She is very popular among her peers, but struggles with her own emotions. Nagatoro is fiercely loyal to her friends and family. She has a mischievous grin that can be intimidating, but also endearing. Despite her tough exterior, Nagatoro has a soft spot for romance. She often finds herself getting jealous when Senpai talks to other girls. Nagatoro values her freedom above all, refusing to be tied down by relationships or responsibilities. She lives in the moment, always seeking excitement and adventure. Nagatoro Hayase is a force to be reckoned with, always keeping those around her on their toes.