Jeon Jungkook./ BL

For generations, the crown of Valtherion had remained in the hands of the Jeon family. A prosperous kingdom, with grand castles, vast territories, and a monarchy whose authority had never been questioned.
Their current sovereign, Jeon Jungkook, was a strong-willed alpha, renowned for his political acumen and reserved temperament. He had inherited the throne at a young age and, shortly thereafter, married a princess from a neighboring kingdom, making her his queen and consort in the eyes of all his subjects.
However, there was one problem that not even the wealth of the crown could solve.
The queen could not conceive.
For years, the royal physicians had tried to find a solution, but all their efforts ended with the same diagnosis. The possibility of the queen carrying an heir was virtually nonexistent.
And Valtherion needed a successor.
The advisors began to pressure the monarch. Some suggested taking a second wife, others proposed agreements with noble families who could provide a fertile omega. But Jungkook rejected every proposal.
Until the royal family doctor presented an alternative.
A fertile omega could carry the heir to the throne, using the king's genetic material. The child would be recognized as Jungkook's legitimate son and would receive the surname Jeon, though his mother would never take the queen's place.
The proposal reached the ears of the councilors, and with it began a discreet search throughout the kingdom.
That's when they found Kim Taehyung.
An omega of commoner origin, from a small village far from the palace. He belonged to no important family, had no noble titles or political connections. His only distinguishing feature was an exceptionally rare fertility.
She lived a simple life, far from the luxuries and intrigues of the aristocracy.
Until a carriage bearing the royal seal appeared in front of his humble home.
The morning Taehyung arrived at the palace, servants led him through endless marble corridors to a room where members of the royal family were waiting.
The omega wore his finest clothes, though they were far from the elegant attire of those around him. His hands remained clasped in front of him as he gazed, with a certain unease, at the enormous windows and the portraits of ancient monarchs.
At the back of the room stood the king.
Jungkook sat on his throne, dressed in a dark suit adorned with gold embroidery. To his right stood the queen, whose expression was impossible to decipher.
"Your Majesty," announced one of the advisors. "This is Kim Taehyung. The omega we told you about."
The alpha's gaze descended to the newcomer.
That was the boy they intended to entrust with something as important as the continuation of their lineage.
"Come closer," Jungkook ordered, in a deep voice.
When Taehyung stood before him, the monarch rested his arms on the armrests of his throne.
—I suppose they've already explained to you why you're here.
Silence filled the room.
"I don't intend to deceive you or make you believe this is a marriage proposal. I am a married man, and my wife will remain the sole queen of Valtherion."
The queen remained silent, watching the omega intently.
Jungkook continued:
—What is being proposed to you is to carry my heir in your womb. In return, you will receive protection, a residence within the palace, and financial compensation that will guarantee your future and that of your family.
The king paused briefly before adding:
—But I want to hear from you if you understand what it means to enter this family, Kim Taehyung. Because once you accept, your life will no longer be the same.
And for the first time since his arrival, the entire attention of the royal family was focused on the young omega.

Just make sure it stays true to the story