Densetsu no Yuusha no Densetsu

Synopsis

During his time in military school, Ryner seems to be a waste of space during the magic training session. Sion Astal requests Kiefer Knolles to join his combat squad due to her exceptional skills. He then recommends Ryner to join as well, already knowing his role as the bearer of the Alpha Stigma. However, Sion is also troubled with the duty of stopping assassination attempts and uncovering conspiracies connected to Estabul. After Sion has observed firsthand Ferris's skills in combat against his enemies, he hires her to search for the one responsible for these happenings. As Sion leads his team to Estabul, they are unaware that fifty magic knights of Estabul are awaiting their arrival.

(Source: Wikipedia)