Ikoma Yui is a determined high school student with a love for swimming and a passion for food. With her tomboyish charm and unwavering dedication, she navigates the complexities of adolescence while dreaming of a future as a coach and PE teacher. Whether she's crashing at her cousin Mio's place or hanging out with friends like Rinka, Yui's friendly demeanor and proactive attitude make her a cherished presence in both her school and neighborhood communities.