Orc-sama to Majo ~Orcland Saga~

In a world where orcs are reviled and hated by humans, Nabatab, a young orc who despises his own kind and dreams of becoming human, strikes a bargain with a witch. 'By the time you grow up, this land will be embroiled in war with humans. Lead the orcs to victory, and I’ll grant your wish.' But over a decade later, he has grown into the orc leader, living a life of indulgence, raping human women, and forgetting the promise. Then he becomes intrigued by Serina, the kingdom’s strongest knight—a woman no man can touch. Leading his orc army, he marches on the Kingdom of Griaige, where Serina resides, and then…