I Rely on My Harem to Conquer the World我靠后宫征服世界; Wo Kao Hougong Zhengfu Shijie; I Conquered the World With My Harem; Wǒ Kào Hòugōng Zhēngfú Shìjiè

Young Li Haoran tragically died after being ruthlessly betrayed by his teammates in a battle against demonic beasts. However, when he opens his eyes again, he finds himself reborn as the Blood Demon King in a tribe full of succubi. On top of that, he has acquired a special system that allows him to grow stronger simply by building a harem. This time, he will seize the opportunity, forge himself into a true demon, and lead his harem to conquer the world!