Dragon's son

it all starts when the dragon king descends humanity and falls in love with a woman in this meeting, an event takes place that "accidentally" impregnates the woman, like REI Dragão, he cannot take on a family with other races, he had to return to his world. there a boy named Drak is born who will do everything possible and impossible to meet his beloved father. But in the Dragon world, the advisers found out about the pregnancy, and did not admit a human with heir to the throne, so without the king knowing. they sent killers to kill drak, but fortunately he manages to escape, and unfortunately his mother did not have the same fate, drak goes on an adventure, meets new people of various races looking for his father. adventure happens around the worlds, where there is prejudice between races