Aaron, a swordsman dismissed from his party for only being able to acquire beginner-level skills, discovers the true power of his underestimated beginner skill, "Slash". Through relentless training, his swordsmanship eventually reaches unparalleled heights. One day, he single-handedly ends a great catastrophe with his sword, becoming a rumored, mysterious hero. His unwitting moniker is… “Who is the Strongest Swordsman, "Ultimate Sword"?” - He doesn't realize it's him. While everyone searches for the whereabouts of "Ultimate Sword", Aaron is sought out by his brash and strong female disciple and a noble young lady who recognize his incredible abilities, commissioning him to conquer the unexplored depths of a labyrinth. The day his true identity as "Ultimate Sword" is revealed is drawing near…!? A labyrinth sword fantasy where an unintentionally overpowered protagonist takes center stage!
