Iroha Natsume is a fictional character from Blue Archive, a mobile game and anime-style franchise set in the academy city of Kivotos. She is a calm, highly intelligent strategist associated with the Millennium Science School. Iroha often serves as a key support and tactical figure, known for her composed demeanor and sharp decision-making in difficult situations. Her role in the series is to assist with planning, coordination, and problem-solving, often helping the player’s group through her analytical insight.