This tells the story of Remy, a modern young man who, after being betrayed by his girlfriend, is unexpectedly pulled into a portal by an ancient idol and falls into the Vakar Shieldmaiden tribe deep in the mountains of Stormhaven, in the shattered Azrath archipelago. In this world that glorifies martial strength and determines a person's worth by strength and weakness, Remy, who cannot fight and has only ordinary physical strength, is looked down upon and may even be executed at any time as a useless person.
However, when the tribe faces crises such as the dying of the flame, food spoiling, wounded people left without care, and a mine tunnel collapse, Remy relies on life skills such as making fire, cooking, preserving food, cleaning, and caring for others to solve one problem after another, gradually earning the tribe's recognition. Asgerdra, the calm and powerful silver-haired shieldmaiden leader, initially regards him as a dangerous outsider, but as they spend time together, she gradually discovers that this seemingly fragile man possesses responsibility, kindness, and courage more precious than strength, and the two move from caution and testing toward trust and affection.
In order to find a way back to the modern world, Remy secretly collects fragments of ancient rune stones scattered throughout the tribe, but unexpectedly discovers that High Priestess Sigruna has long used oracles to control the tribespeople, secretly hoarded grain and fuel, and murdered Asgerdra's mothe
