Ai Kagano is the protagonist of the anime series Mahou Shoujo Ai. She is a high school student who transforms into a magical girl to combat malevolent forces threatening her world. Ai is characterized by her determination, bravery, and sense of justice, which drive her to protect those around her. Her journey is one of personal growth as she learns to harness her powers and confront inner and external challenges. Ai's character embodies the themes of courage and responsibility central to the series.