Chifuyu Orimura is a supporting character in Infinite Stratos anime series. A sister of protagonist Ichika, Chifuyu is an experienced IS pilot who now works as a supervisor in IS Academy. Chifuyu is strict-minded, and doesn't like the girls running after her brother. She does care for Ichika but doesn't show her softer side except in more serious situations. She appears in Worst Hero And Villain War Ever.