Goblin Slayer Side Story: Year One manga volume 3 features story by Kumo Kagyu and art by Kento Sakaeda.

The novice warrior, who took part in the subjugation attack against Rock Eater, throws himself in the midst of rigorous fighting to honor his fallen comrades. Meanwhile, a young boy single-handedly fights to protect a small village from the threat of goblins. But while felling goblin after goblin in the pouring rain, he's faced with a danger that comes crashing in with the thunder and lightning...