Full Metal Panic!

Sôsuke Sagara, Kurz Weber and Melissa Mao are elite soldiers, members of the mercenary organization Mithril and responsible for protecting a young high school student, Kanamé Chidori, target of a particularly dangerous and well-equipped small terrorist group. It is Sergeant Sagara, the youngest of the team, who is responsible for infiltrating the school in which Kanamé is located. Unfortunately, a child soldier from a very young age, he has no knowledge or experience of life as a simple civilian, and his interventions often lack the most basic tact and discretion: quickly, Kanamé begins to suspect something, and his impulsive temperament leads him to want to know more…