Full Metal Panic!
Kaname Chidori's probably certainly one of the most well-known girls at her school -- regrettably, it has her popularity off campus she must really be worrying about. Unbeknownst into Kaname, terrorists are plotting her abduction, believing she owns the coveted abilities of"the Whispered." That is where the picture is entered by Sousuke Sagara. He is a soldier against the clandestine company and he's going under cover at Kaname's faculty to use and keep her safe. There isn't any training on the planet that could prepare him to get high school's warzone, although he may be an ace in the cockpit of a Arm Slave mech.