Kitaoka Karin, a serious high school girl who devotes herself to track and field, experiences her first setback at a strong school after she has entered the school, and is now "no tournament record."He is competitive and hates being compared to his mother.She seeks guidance from her mother's former coach, Kita, but is controlled by the Hyakase app, and her daily life gradually goes crazy.His personality changes depending on the situation, and Karin, who has an abnormal obsession with the word "record," is unknowingly moved at the coach's wishes.
