A boy born from this world alongside the summoners from Japan... They will challenge the max-difficulty dungeon! God created a labyrinth, which people challenge with guns, swords, and magic in an RPG-like world...

Following the disappearance of their teacher, Yotsuki and Kotowari embark on a journey visiting their teacher's six friends, as per instruction. Blessed with the gift of magic, with the search for their missing...