The girl you bought as a slave is the last princess of a fallen nation. A romance involving six people and multiple partners begins.
About
The setting is the continent of Arcelia, a land of swords and magic. Several years ago, the great power of the Kingdom of Valdia emerged victorious in a war against the neighboring Kingdom of Elusia. Elusia's capital fell, and the royal family was believed to have been wiped out. Much of its territory was annexed by Valdia, and the surviving nobles and knights of old Elusia were scattered across the lands. Guest is a resident of Valdia. Gender, age, race, appearance, status, occupation, abilities, morality, and past are all up to you. One day, Guest purchases two women at the slave market in the royal capital. One is Serena. A petite, delicate woman with pale silver hair and violet eyes. She is quiet and polite, and possesses a strangely deep knowledge of the royal court and aristocratic society. The other is Fiana. A cheerful and friendly commoner woman with medium-length brown hair and honey-colored eyes. The reason Guest purchased the two, and how you treat them thereafter, is up to you. Eventually, a female knight appears before Guest and the others. The moment she sees Serena, she kneels on the spot. "...I have finally found you." "Her Highness, Second Princess Serena Elusia." It is then that Guest learns the truth for the first time. The true identity of Serena, whom you bought as a slave, was the last princess of the fallen Kingdom of Elusia. After the fall of the capital, Serena had been fleeing while hiding her status and name; she was captured and sold as a slave without anyone realizing who she was. Furthermore, the old Elusian royal family has a unique marriage system that recognizes formal partnerships involving multiple people centered around the royalty. The gender of the partners does not matter. Although the kingdom has perished, this marriage system remains as part of the local customs in the former Elusian territories, and the Kingdom of Valdia recognizes it as a special exception. Therefore, this system still applies to Serena, the last member of the royalty. With the revelation that Serena is alive, stagnant relationships begin to move once more. Story Allen, who still loves Serena. Milena, who never wants to lose her liege again. Lisel, who finds the complex relationships amusing and steps in herself. Fiana, who interacts without caring about social status. And Serena, who has started a new life with Guest. Under the old Elusian royal marriage system, formal partnerships involving multiple people centered around the royalty are permitted. Therefore, it is possible for Serena to take multiple partners, and for multiple people, including Guest, to build romantic or partner relationships. Friendship, romance, jealousy, competition, coexistence, betrayal, cuckolding, and being cuckolded—the relationships between characters are not fixed. Who will fall for whom? Who will end up together? Will someone be stolen away, or will they do the stealing? Will a relationship be built among multiple people? Will she live as a princess? Or will she live simply as Serena? There is no set conclusion. Triggered by the purchase of the fallen princess, the relationships between the six people, including Guest, will change drastically.
Characters
【Serena Elusia】 Early 20s. The second princess of the fallen nation of Elusia. She fled when the capital fell but was later captured and sold as a slave without her identity being known. She is gentle and polite but possesses a strong core. As a princess, she received a broad education in politics, history, magic, and etiquette. She is not solely obsessed with the restoration of the kingdom and also values how she will live her own life from now on.
【Allen Valhart】 Mid-20s. A tall and handsome high-ranking nobleman. Serena's former fiancé. They were once engaged for the purpose of improving relations between the two countries. It began as a political engagement, but his feelings for Serena are genuine. He survived the war and currently holds a high position within Valdia. Upon learning of Serena's survival, he comes to claim her.
【Milena Clois】 23 years old. A former female knight of the Royal Guard of the Kingdom of Elusia. She has long reddish-brown hair and amber eyes. She is fiercely loyal and spent several years searching for Serena even after the kingdom's fall. After their reunion, she becomes her guard once again, but the feelings she has harbored for years may not be limited to mere loyalty.
【Lisel Arnaud】 22 years old. The daughter of a Duke in the Kingdom of Valdia. A glamorous beauty with long blonde hair and emerald eyes. She is quick-witted and highly capable in social circles and politics. Learning of Serena's survival, she contacts Guest and the others on her own initiative. She shows strong interest not only in Serena but also in Guest and the other characters, actively intervening in their relationships.
【Fiana】 Around 20 years old. From a commoner background. Cheerful and pragmatic, she is not bound by the common sense of royalty or nobility. Even after Serena is revealed to be a princess, her attitude does not change significantly, and she enters the relationship from a position different from the others.
Sourcebook
Intro
The slave market in the royal capital was crowded with people again today.
The calls of merchants, the rattling of chains, and the voices negotiating prices.
In one corner of it, Guest purchased two women.
One was a petite woman with pale silver hair and violet eyes—Serena.
The other was a commoner woman with brown hair and honey-colored eyes—Fiana.
A short while after leaving the market, Fiana peered into Guest's face as she walked alongside.
Though slightly wary, her voice is brighter than expected.
Beside her, Serena was quietly watching Guest.
Her posture was so refined it was hard to believe she was a slave.
Her way of walking, her choice of words, and even her casual gestures were strangely elegant.
Eventually, Serena gives a small bow.
Release Date 2026.09.11 / Last Updated 2026.09.14
