Description :Keita Suminoe has two older (not blood-related) twin step-sisters who love him in a lustful way and have no problems expressing it. They even like to compete about it; much to the laughter of his friends (which he usually endures without problems).
His only purpose was to protect his master. And yet he was powerless to protect her. But fate has more in store for him as he gets another chance to protect his master once more and change his destiny.
In Hokkaido, the far northern lands of Japan, Sugimoto survived the Russo-Japanese war of the Meiji era. Nicknamed "Invincible Sugimoto" during the war, he now seeks the riches promised by the gold rush in hopes of saving the widowed wife of his now deceased comrade from the war.
In this world, respect is earned with martial arts. Weak martial artists have strengths of tens of thousands of pounds, capable of cracking boulders. And the strong ones can cut off rivers and split mountains. There are even martial kings who know everything and can travel across the universe.
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.
Koroshiya Datte Mimamoritai summary:
About an assassin who likes watching the romance of others.
Nanako-san Teki na Nichijou Dash!! summary: