Kaoru Torii is a fictional character from the anime series "To Heart." She is a lively and cheerful girl known for her optimistic personality and love for sports. Kaoru is a track and field athlete, often seen practicing or participating in school events. Her energetic nature makes her a popular figure among her peers. Throughout the series, Kaoru provides support and comic relief, while also dealing with her own personal challenges, such as balancing her athletic ambitions with her school life and friendships.