I Shall Create the Hero's Legend Behind the Hero's Legend: The Heroics of A Royal Road Killer, 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〜, 王道杀手英雄谭, Yuusha Densetsu no Uragawa de Ore wa Eiyuu Densetsu o Tsukurimasu: Oudou Goroshi no Eiyuutan~
Yukina was a young man who hailed from the same village as the Yuusha who shouldered the fate of the world. Through a certain incident, he got ahold of the talking spear, Gram. It was a weapon that was on par with the legendary sword the Hero wielded. The first volume of an adventure fantasy of the youth with a realistic growth!