Facing a collapsed economy and a dying nation, Princess Ariadne of Avon implements a desperate and unconventional plan to save her people: the establishment of a state-run sex industry. To ensure the venture's success, Ariadne recruits her maid Ruruka and an adventurer named Yushia, while resolving to provide services herself to revive the kingdom's fortunes.
To save the crumbling nation of Avon from economic collapse, Princess Ariadne implements a bold plan to establish a thriving sex industry. Alongside her maid Ruruka and the adventurer Yushia, Ariadne works as a prostitute within the castle to attract visitors and revive the economy. As the women push their own boundaries and embrace their desires, Ariadne resolves to become even more provocative for the sake of her people's prosperity.