Full Metal Panic!

Synopsis

The series follows Sousuke Sagara, a member of a covert anti-terrorist private military organization known as Mithril, tasked with protecting Kaname Chidori, a spirited Japanese high school girl. He moves to Japan to study at Kaname's school, Jindai High School, with assistance from his comrades Kurz Weber and Melissa Mao. Having never experienced social interactions, Sousuke is found as a military maniac by his schoolmates as he interprets everyday situations from a combat perspective. He comes to relate with Kaname who realizes that Sousuke is protecting her, but he does not reveal the reasons due to orders as well as the fact that he does not know why Kaname is being targeted by different organizations.