Shikkaku Mon no Saikyou Kenja~ Sekai Saikyou no Kenja ga Sarani Tsuyoku Naru Tameni Tenseishimashita~ - Chapter 0 Strongest Sage, Pessimistic Towards His Future Chooses…

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

Leon Walker, the world-weary genius of modern world, is killed in a freak accident — the notorious Truck-Kun makes an appearance. Death is only the start. He finds himself reborn in a new world, Galvia, reincarnated into the strong but failing body of Duke Leon Moonwalker, one of the only three Grand Dukes of the Moonstone Kingdom, a minor but strategically powerful kingdom within Galvia. As Leon attempts to understand his new world, a strange voice resonates in his head. “Supreme Spouse System Activated.”.

[Raising Babies + Sweet Romance]Su Xingwan wakes up inside an old-school CEO novel—as the “evil aunt” who starves and beats the three genius children left in her care.In the original plot, the kids’ uncle arrives, sees the abuse, and locks her away to die in a psychiatric ward.But Su just got here—and she’s read the whole book.Looking at the three bony, wide-eyed toddlers, she decides:“Plot twist—I’m fixing this.”• Eldest (Da Bao): a prodigy sold to a celebrity couple, future business titan.• Middle (Er Bao): bound to a villain system that keeps whispering, “Find Uncle—destroy the aunt!”• Youngest (Little Bao): mind-reader, destined to be the story’s adored koi heroine.Su sets out to undo every scar the original owner left.Little Bao blinks: “Why is Bad Aunt suddenly… nice?”Er Bao narrows his eyes: “Trap detected.”Da Bao clutches his siblings: “She’s brainwashing you!”When the formidable Uncle Lu Yun finally arrives, he expects a rescue mission. Instead, he finds three giggling kids curled in Su’s arms—and decides the children aren’t the only ones he wants to take home.

The genius cultivator Lin Xuanzhi didn’t let down the world in his past life, yet he only betrayed a single Yan Tianhen.

It was only when he had been backstabbed and killed by his closest friends, teacher and fellow disciples that he knew what kind of unforgivable crimes he had committed.

After he gained the huge opportunity for rebirth, the Lin Xuanzhi who had climbed back up from hell swore to cherish the person that he had betrayed in his past life.

- Description from novelupdates