Yui Nitta is one of the main protagonists in the anime series Zettai Junpaku♡Mahou Shoujo. She is a high school student who transforms into a magical girl to protect her city from dark forces. Yui is known for her cheerful and determined personality, quickly earning the trust of her teammates. Throughout the series, she struggles with the duality of her ordinary life and her responsibilities as a magical girl, making her a relatable and endearing character for viewers.