Gun x Clover

GUN×CLOVER (ガン×クローバー) is a manga written by Yamaguchi Mikoto and illustrated by D.P, published by Monthly Dragon Age Manga. Currently there are 4 Volumes.

Plot
Mikado High School trains the best students to be the best mercenary bodyguards. But Morito Hayama, a merc escort student with no rank whatsoever, is suddenly assigned to guard a person so highly valued that no escort has ever survived before. Will his subject survive the experience? Will HE survive?!