Nox Galaxia is the son of a prince in the Acoll Kingdom. However, from birth, he has been branded as an unwanted child due to being part of a set of exceptionally talented twins, having hair and eye colors that don’t match his parents’, and being haunted by a belief that “one of the twins will bring calamity. At home, the only people who treat Nox kindly are his brother, the head chef, and the maid Nana. After the coming-of-age ceremony, Nana approaches Nox with a proposal: “Would you like to visit my hometown?”