Nami Koishikawa is the protagonist of the anime series 'Nami SOS.' She is a spirited and determined high school student with a strong sense of justice and an unwavering commitment to helping others. As the series unfolds, Nami finds herself embroiled in various adventures where she uses her wit and courage to navigate through challenges. Her character is central to the storyline, often driving the plot forward with her proactive nature and ability to inspire those around her. Nami's journey is one of growth and self-discovery, making her a beloved character in the series.