A middle-aged girl who has lost her purpose in life. The story begins when the two meet in another world. Seiji Iwano and Shino Sakashita get caught up in the hero summoning. Awakened by the power of heresy, two people who are targeted for their lives aim to escape from the country. In the midst of the battle, Seiji learns of the true power of "No Protection" - the aptitude to be the best "Magic Tool User", and vows to protect Shino as a hero before the crisis that approaches the world.