A story we're Issei is abandoned by the Factions and we're he and his Queen travel the world together. Rizevim is back with the assistance of a Demon God Pillar that is strengthening by the Mana of this new world. Meanwhile in Chaldea they have saved the world from annihilation but a New singularity was created in a new world so Chaldea Security Organization sent there Master Ritsuka Fujimaru was sent with her servants to save the world from the Demon God Pillar but meet a certain abandon Ex Hero Issei Hyoudou who join them to save his world. Season 1