Synopsis: Yuusha Densetsu no Uragawa de Ore wa Eiyuu Densetsu o Tsukurimasu: Oudou Goroshi no Eiyuutan~

Coming from the same village as the Hero, who carried the burden of the world, Yukina knew him well. During his youth, the Hero acquired the talking spear Gram after a specific event, which made him just as strong as his famous sword.