Imperial prince of the Ka country Li Sekka is a beautiful, unassuming youth, but he holds an important secret. He possesses both genders. And as... more>> such he serves as a substitute for his late sister, who was to be the next empress. During this time, Ka country is invaded by the large army of the neighbouring Yoh country. Sekka ran away from the country dressed as the Imperial Princess, but was captured by the Emperor of Yoh country Ryuu Kishoh and had to enter the man’s harem as a princess. “If he learned that I am a man, I would be killed…” But just as he was feeling uneasy, he was ordered by Kishoh to spend a night with him…!? <<less

Cecilia, the Villainess, had been condemned and framed by the heroine just like in the story and thrown into a brothel.... more>>

The first customer who came to visit her was the heroine's childhood friend, a hidden character who immensely adored the heroine, known as the powerful Demon Knight. She did nothing much to harass the heroine, but she believed that he came that far to retaliate, just like the Demon Knight she knew.

Cecilia, who was trembling in fear while trying to desperately do her job, and the Devil Knight, who had been in love with Cecilia and determined to overthrow the throne.

Their love story blossomed that night. <<less