My Big Sister Lives in a Fantasy World: Volume 4 (e-könyv)

Yuichis not-very-restful summer vacation came to an end, and the new school term isnt looking much better. Immortal demons are trying to kill him, his new teacher is a superpowered sociopath, and all kinds of bizarre events are happening around the school. What does Kanakos new novel have to do with the bizarre goings on at Seishin High? Once again, its up to the worlds strongest little brother, and his highly delusional sister, to find out!