Iwatani Naofumi, a run-of-the-mill otaku, finds a book in the library that summons him to another world. He is tasked with joining the sword, spear, and bow as one of the Four Cardinal Heroes and fighting the Waves of Catastrophe … Kaito Ishikawa, Asami Seto, Rina Hidaka, Maaya Uchida, Hiroki Yasumoto, Yoshitsugu Matsuoka, Kikuko Inoue Added on Netflix 2021-03-28. Youtube Trailer