IS: Infinite Stratos

The armored combat suits known as Infinite Stratos can supposedly be operated only by women, until Ichika Orimura proves otherwise. His unprecedented ability sends him to an international pilot-training academy, where he becomes the only boy among students with very different ambitions and experience.

Under his older sister Chifuyu's supervision, Ichika learns to handle his suit while reuniting with childhood friends and forming new connections. Rivalries and training soon lead into dangers beyond ordinary school competition, testing the students' ability to work together as well as their fighting skills.