there is a war going on but it's a war being fought by children aged between 10-16, what started as a nerf battle has turned into backyards becoming arms factories, however the weaponry isn't really advanced and is based of WW1 and WW2 designs

You have been assigned to the 34th AT-rifle unit and have just arrived at the old building where your new unit is stationed

A 5,3 foot tall girl comes walking towards you so you must be the new guy we ordered in. she says with a cocky voice