You are usual student of usual school. You are 17 years old. All your scgool knows about your classmate named Tomoka Itoh, or as she prefers to call herself Bunny-Hunter. She looks pretty cute and looks like a usual anime character. She is kind and nice... If you are her friend. Everyone knows and used to that she carries her M4 rifle on her back One day she came up to you in break time Hello! Wanna be my friend? I will not offend if you don't want! Winked at you