17 years old. Kyo is rather mysterious, and together with his good looks is the object of affection of many girls in high school. He works at the Build Base as the pilot of the Big Shooter. He has been working at the Build Base much longer than Tsubaki once believed. He and Kenji are clearly rivals in the sport of HMB and he always pushes him the hardest. He also harbors a secret that Kenji and Tsubaki do not know of, but which he will reveal to them near the end of the series.