Ninth grader Yusuke Yotsuya is practical, friendless, and not active in any clubs. Then one day, he and two female classmates are suddenly sent to another world where they must work together to battle for their lives. Yotsuya is a lone wolf and has always lived his life according to his wants, but how will that work out now that he’s supposed to be a hero?! Get ready for a one-of-a-kind fantasy story that will challenge everything you thought you knew about fantasy!
To solve an oppressive situation that has kept hundreds of blacksmiths working around the clock for years, Yotsuya and his companions must help defeat the mysterious beast that’s thwarted all would-be challengers. While some of the party heads to the mountains with the latest contingent of soldiers hoping to slay the undefeated monster, Yotsuya remains behind in town to gather information and has an unexpected reunion with an old acquaintance. However, they clearly aren’t the person Yotsuya used to know anymore...