Shijou Saikyou Orc-san no Tanoshii Tanetsuke Harem Zukuri

Our protagonist Oroku, is the son of a female knight and an orc. Due to his appearance taking more after his mother, he was harassed and bullied by the orcs of his village. After meeting a beautiful elf and other demi-human girls, and being rejected for his lineage, the strength of his blood awakens and plots a plan to become the strongest warrior in history in order to make a harem of beautiful women.

Happy Harem Making With the Mightiest Orc!; Shijou Saikyou Orc-san no Tanoshii Isekai Harem Zukuri; The Fun Life of the Most Powerful Orc in History, Creating a Harem in an Alternative World; 史上最強オークさんの楽しい異世界ハーレムづくり; 史上最强兽人先生的欢乐异世界后宫之旅; Shijou Saikyou Orc-san no Tanoshii Tanetsuke Harem Zukuri