The Rising of the Shield Hero Novel Volume 11 features story by Aneko Yusagi.

Victorious in his match at the Colosseum, Naofumi successfully frees the demi-human slaves to return to their village. When they arrive back at the village, Naofumi receives news on the whereabouts of Motoyasu, the Spear Hero. In order to capture him, Naofumi organizes a manhunt, but it leads him to a scene of carnage involving the sword hero, Motoyasu and company.

"If that's all you can say to your friends that believed in you... You're not worthy of being called a hero. You're not even worthy of being called a human!"

Faced with an unchanged Sword and Spear Hero, Naofumi completely loses it! In the midst of all of this, assassins after Naofumi's life suddenly appear, and everything spirals out of control!