Chou no Yume  

蝶ノ夢

In the realm of fiction, there exists an individual named Chouko, who despite being new to the profession of prostitution, has garnered a considerable amount of notoriety in the Ashihara district due to her striking beauty and unique skill set. It is worth noting that Chouko hails from a privileged background; however, her life took an unfortunate turn when her parents were brutally murdered by someone acting on behalf of the governor, and her older brother went missing. As a result, she was sent to Ahihara to work as a prostitute. Despite the difficulties she faces in her current situation, Chouko remains determined to exact revenge upon the man responsible for her family's suffering. Her moment of vengeance arrives when the governor visits Ashihara, at which point she takes action to bring him to justice.