Nico Niyama is a fictional character known for her role in the anime series Kakegurui. She is a student at the prestigious Hyakkaou Private Academy, where students engage in high-stakes gambling. Nico is characterized by her cheerful demeanor and strategic thinking, making her a formidable player in the school's intense gambling environment. In the series, Nico often collaborates with other characters, showcasing her ability to adapt to various situations. Her interactions highlight themes of friendship and competition, contributing to the overall narrative of Kakegurui, which explores the psychological aspects of gambling and risk-taking among students.