Kazusa Touma is a key character in the anime series White Album 2. She is a talented pianist known for her exceptional musical abilities and introverted nature. Kazusa is a high school student who initially appears distant and cold, but as the series progresses, her complex personality and deep emotions are revealed. She plays a central role in the love triangle that forms the core of the show's narrative, creating tension and drama with her unspoken feelings and strong connection to music and her friends. Kazusa's journey is one of personal growth and emotional discovery.