공작님은 후사를 갖고 싶어

The powerful Duke Reynal von Fenicaesar is known as the empire’s hero and the Emperor’s right hand, but his greatest secret is that he was born with both male and female reproductive organs! Under the guise of a sabbatical, he attempts to fulfill his desire to conceive his own heir. However, this proves to be more difficult than expected as ordinary seed isn't enough to impregnate him. Reynal searches for a man with superior seed to father his child, but is the perfect partner closer than he realizes? (Source: Lezhin US) Note: Includes 12 extra chapters.