One day during lunch break, a male high school student Yuzo Ogata suddenly transferred to another world of sword and magic together with 4 of his friends.
According to the Princess of Space-Time Magician, a foreign world who summoned them, they want them to beat the Demon Lord as Heroes to save this world.
Suddenly the princess said:
“`―― There should only be four braves though?”
A man who was mistakenly summoned to a different world. What will be in store as to his fate?