Houki Shinonono is one of the main characters in the anime series IS: Infinite Stratos. She is a first-year student at the IS Academy and specializes in kendo. Houki is known for her strong-willed and determined personality, often showcasing her independent nature. She is Ichika Orimura's childhood friend and has a deep-seated crush on him, which becomes a driving force in her interactions. In combat, she pilots the Akatsubaki, a powerful and advanced IS unit. Her role in the series is pivotal as she navigates her feelings for Ichika while honing her skills as an IS pilot.