 A light novel titled <unk> <unk> : A Cloud Drifting in Silent Darkness , written by <unk> <unk> and illustrated by <unk> , stars <unk> as the main character and narrator . The novel is set two years after the Fourth <unk> War , focusing on <unk> 's assignment as organizer of the newly formed <unk> Union to capture a rogue ninja who rules over the distant Land of Silence and attempts to establish a new world order ruled by the common people . It also explores his growing relationship with <unk> , culminating in him struggling to name his child with her , years after the end of the novel . 
