Yuusha Densetsu no Uragawa de Ore wa Eiyuu Densetsu wo Tsukurimasu: Oudougoroshi no Eiyuutan
勇者伝説の裏側で俺は英雄伝説を作ります 〜王道殺しの英雄譚〜
A young man from the same village as the world's destined Hero acquires a sentient spear named Gram after a specific event. This weapon is comparable in power to the legendary sword used by the Hero. The story is the first volume of a fantasy series focusing on the realistic development of this young adventurer.