As night fell, the Prefectural Princess Mansion was completely silent. The dark night enveloped the entire mansion. The blooming flowers were constantly shaking against the background, giving off a creepy feeling.

Summer was about to begin, and the courtyard was filled with bugs that kept humming. Tonight, however, even the humming seemed to be inaudible.

Suddenly, a black figure appeared beside the wall. He was thin and wore a black night gown. His face was covered ...