Airi Kashii is a character from the anime series Ro-Kyu-Bu!, which centers around a boys' basketball coach who ends up coaching a girls' elementary school basketball team. Airi is a shy and gentle girl with a height complex, as she is much taller than her peers. Despite her initial reluctance, she becomes a key player on the team due to her height advantage and natural talent. Her character development involves gaining confidence and learning to embrace her unique attributes, both in basketball and in her personal life.