Hajime Nagumo is 17 years old teen with hobbies and aims. He can’t completely rest as he either suffers from insomnia or sees unusual dreams. Once he fell asleep at school, and it became his biggest mistake. Nagumo appeared in a different world with his groupmates. The locals praise and admire the students guessing they are saviors. The teens are asked to save the present world. But could Hajime ever think his other dream turns into a big catastrophe? While his fellows enjoy the dwellers’ confession, Hajime realizes he is in the worst position as he has only one doubtful talent. He endures peers’ mockery until his patience ends. Will Hajime beat beasts and enemies with his farrier’s skills? Should he vengeance on those who tease him?