ゴブリンスレイヤー外伝：イヤーワン ; Goblin Slayer Gaiden: Year One ; Goblin Slayer Side Story: Year One
ゴブリンスレイヤー外伝：イヤーワン ; Goblin Slayer Gaiden: Year One ; Goblin Slayer Side Story: Year One
Goblin Slayer: Side Story Year One manga summary: A prequel series that reveals Goblin Slayer's past and the events that led him to become an adventurer with the sole purpose of exterminating all goblins from the world.
