Is it wrong to be mute in this world[stopped for now]

a boy name [white] who died after he and his friends made a full suicide attack on their former organization but it was not the end for him he met a man named Joker who told him that he would be the one sending him to his next life and now he must survive as a mute in this dangerous war-filled world follow the life of White that is full of [war][blood][magic][assassinations] and [sandwiches]