Manga Shijou Saikyou Orc-San No Tanoshii Tanetsuke Harem Zukuri

He was extremely unlucky in this life. Weirder parents were very difficult to get. His father is an ordinary orc, and his mother is human, and besides, he is also a king. How they got together is a mystery ... And now he is forced to suffer in the orc community due to constant mockery from other orcs, who clearly hated him. He was already going to commit suicide, because he did not know what to do. However, his fate changes dramatically when he meets other demihumans, and he has a plan to become the strongest creature. Now he will be able to take revenge on his offenders, as well as create a harem of the best women.