Shijou Saikyou Orc-san no Tanoshii Tanetsuke Harem-Zukuri

Oroku is the child of a knight and an orc, inheriting his mother's human-like features. In his orc village, he faces harassment because of his mixed heritage. After encountering an elf and other non-human women, he is turned away due to his lineage. His latent power then activates, and he devises a strategy to become the greatest warrior ever, with the goal of gathering a harem of attractive women.