Ever since she was young, Suzuka has been bullied and oppressed by the villagers as a strange girl because of her mysterious eye abilities, and she relied on her older sister, who was the only person who understood her. However, her sister suddenly disappears at the inner palace where she works! In order to search for her sister, Suzuka becomes a court lady in the Ryuka Kingdom's inner palace, but she spends her days unable to find any clues about her. One day when the future is uncertain, Suzuka meets a beautiful eunuch named Issho who wears a silver light...!? A mystery romance unfolds in the inner palace!