Ichika Orimura enrolls at the all-female IS Academy as the only male pilot able to operate an Infinite Stratos combat exosuit. Houki Shinonono, Cecilia Alcott, Charlotte Dunois, and Laura Bodewig train and compete for his attention under the watch of his instructor and older sister, Chifuyu. This second manga adaptation covers the same light novel material as the earlier manga series, with different art and pacing.