The City's Strongest Son-in-law - Chapter 21: Those Remaining Clothes, Leave Them

In a distant future, Alexander wakes to a reality where his past is a fog and his consciousness inhabits a robot body. Faced with a fragmented memory and an uncertain future, he embarks on a quest for answers. Amidst the hum of his repair shop, where he scrapes by, he delves into the mystery of his transformation. As Alexander forges ahead, stitching together the threads of his identity, unexpected companions join his journey. Among them is a precocious girl whose presence sparks forgotten emotions, offering a glimpse of his lost humanity. Yet, in the shadows, lurk those drawn by his technological prowess, casting ominous shadows over his path. Caught between the pursuit of understanding and the threat of those who covet his abilities, Alexander confronts a pivotal question: will he succumb to adversity or emerge from the crucible stronger than before?

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Xu Xiang is a doomsday survivor who survived for forty years. Before she could fulfill her dream of becoming the overlord, she died.Opening her eyes, she returned to the fifteen years before the doomsday began. With the help of her family heirloom the dragon and phoenix ring, she hoards supplies and prepares to welcome the doomsday.Unfortunately, she was betrayed by her own family and died the night before the doomsday begins. With hatred in her heart, she swallowed the dragon and phoenix ring and jumped off the cliff.When she opened her eyes again, she was still alive, but arrived in a world that was plagued by endless wars and constant natural disasters. Although she's lucky enough to get another chance, she's unknowingly drawn into political turmoil where someone may be killed without knowing who the killer is.Can she survive in this ancient world that is more dangerous and full of hidden dangers than her own? Can she find the courage to trust someone else again? After two lifetimes, can she find her own happiness?