Kenja no Mago SP: Oujo-sama Funtouki

A princess from the Earlshide Kingdom expresses her desire to save the world and frequently discusses her admiration for Shin with her classmates at Primary School. She wishes to join him in battle. Those around her consider her claims implausible, yet she studies offensive magic in secret with Alice Corner and Lynn Hughes. During a school-organized outdoor camp, she is taken hostage by a teacher who has been manipulated by a demonic influence.