Nico Wakatsuki is a central character in the anime series Witch Watch. She is a cheerful and energetic witch known for her vivacious personality and her desire to help others. As a witch, she possesses magical abilities, which she uses to assist her friends and solve various problems that arise in their daily lives. Nico's role in the series is pivotal as she often drives the plot forward with her enthusiasm and magical interventions. Her interactions with other characters are marked by her kindness and a deep sense of responsibility.