The Great Sword Hero: The Scrap Loved by God

A world where "Hunters" exist, seeking treasure by conquering "Ruins" that emerge from another dimension. Touma Kurogane, a dropout protagonist, risks his life challenging a super high-difficulty Ruin (Dungeon) for the sake of his sister, who is suffering from an illness. Waiting for him there was the strongest sword, and an encounter with a supernatural being named "Aion" who devours love. A battle to save his sister—and the world—begins!