When Su Xiaobai is dying from an illness, he accidentally comes to another world with the remaining soul of Long Ming, Star King, the strongest human in this world, in his body. He gains the strongest ability called "Infinity of Darkness" at the price of feeling terrible pain whenever he gets an erection. Only when he finds out the person who plotted Long Ming's death and succeeds to the throne can the pain disappear... (Source: WeComics)

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)

5000 years ago, the demonic sect led a great army to battle the cultivators. After years of battle, the demons destroyed all the cultivator sects. The world changed drastically after the war. Other professions such as mages, knights, and healers started to appear. This world became a world of magic. 5000 years later, a bolt of lightning reawakened the cultivator Zhong Tianshun, who had been hibernating in the Xuanyuan Forest. He is now the last cultivator in the world. (Source: Tencent, translated)