[DeepL Translation - needs review] Volume 1 Introduction: Raftalia, a young subhuman girl, lives happily with her family and friends. However, she loses her parents and hometown to a "wave of calamity" overflowing with powerful demons, and becomes a slave after being plundered by soldiers. Her desperate situation changes drastically when she meets Naofumi Iwatani, a brave shield-soldier summoned from another world.
She becomes Naofumi's slave, and as they share a life together while fighting...
