Tamaki Kosaka is a central character in the anime series ToHeart2. Known for her beauty and elegance, she is the daughter of a wealthy family and a childhood friend of the protagonist. Tamaki is confident, assertive, and somewhat spoiled, often displaying a teasing demeanor towards her friends. Despite her aristocratic background, she is caring and protective of those close to her. Throughout the series, Tamaki plays a significant role in the protagonist's life, offering guidance and support while navigating the challenges of adolescence and friendship.