A different world of swords and magic. A battle of light and darkness. The four great spirits of earth, water, fire and wind, and the four jewels. Legend of the holy sword to the captive princess. In this world where everything is a "promise", Mitsuji has been made a "legendary hero". However, the reality is very different from the game! Let alone me, I was forced to remain an ordinary person with no power, a dangerous, painful, and dirty life-threatening brave business. Will Mitsuji be able to survive!?? Kentaro Yano's unique fantasy comic appears as an e-book.