Kenshi Masaki is abducted by a mysterious group who take him to Geminar where they propose a deal - return him home in exchange for piloting a Sacred Mechanoid to assassinate the newly crowned Empress, Lashara Aasu XXVIII of the Shtrayu Empire. During the mission, Lashara recognises Kenshi's exceptional skills and decides to spare his life, opting instead to employ him as her personal assistant. Kenshi joins Lashara at the prestigious Sacred Mechanoid pilot academy, Holy Land, where he becomes the centre of attention. Yet, Kenshi remains unaware of the dangerous plots and conspiracies brewing in the academy, which could lead to a full-blown war in Geminar.