Wokao Hougong Zhengfu Shijie

Li Haoran, once a brave youth who fell to his teammates’ betrayal in a brutal battle against strange beasts, awakens to a shocking new life, reborn as Blood Demon King in a hidden village teeming with alluring succubi. Gifted with a twisted system that fuels his power through building a vast harem, Haoran vows to seize this second chance. He will forge himself into an unstoppable demon lord, gather his bewitching companions, and lead his harem to conquer the entire world. (Source: Webnovel)