Mashiro Kazahana

In an alterntive timeline of Wonderful Everyday comes the original work Tsui No Sora It tells the story of Yukito Minakami, a Japanese high school student who suddenly finds his ordinary, everyday life pushed to the brink of collapse following the suicide of his classmate Zakuro Takashima. Meanwhile the loner, Takuji Mamiya, takes Zakuro's death to mean the end of the world is near and becomes the leader of a religious cult with most of their classmates.