Tosha Auto

Set in a World War 2-inspired war-torn dark fantasy world where various countries are involved in a seemingly endless war. Some people have the ability to create all kind of weapons in their bodies. One particular boy is forced to create weapons in order to protect his sister. But when he finds out that she's been sold by his captors, he loses his mind and his whole body turns into a deadly human weapon determined to erase everything.

Note: Winner of the Tsudzuki wo Yoma Sero Grand Prix, for the chance to be serialized on Yanmaga Web.