Dragon Master

Neth transmigrated to another world and obtained his own planet in another dimension. In his planet, he breeds the strongest beast in the continents - Dragons. He raise dragons of every kind on his own planet in a gamelike manner. And using some of his dragon's abilities to enhance himself. Because of the existence of his own planet, the originally trashy third prince became the idol of countless number of young girls. The once called trash became the renown genius of all time. Note: I'm completely new at this.