Reborn to Master the Blade: From Hero-King to Extraordinary Squire, Vol. 6 (manga)

Reincarnated as a girl far in the future, former Hero-King Inglis, now fifteen years old, has the chance to hone her fighting skills. Her cousin Rafinha and their friend Leone set off on a special extracurricular assignment to serve as the knights reserve during a major trade deal. Aboard a massive Highlander airship, they meet the repulsive Ambassador Muenthe and his bodyguard from the Rambach Company. But wait Doesn t that guard look familiar? When magicite beasts burst onto the ship s deck and threaten the offering, the girls learn that not everyone is who they seem.