Ryobi is a fictional character from the anime and video game series Senran Kagura. She is a student at the Hebijo Clandestine Girls' Academy, known for her sharp tongue and tsundere personality. Ryobi is fiercely protective of her older sister, Ryona, despite constantly berating her. She wields a sniper rifle in combat, showcasing her precision and tactical mindset. Her character development explores themes of sibling rivalry and loyalty, contributing significantly to the series' narrative as one of the key members of the Hebijo team.