The Devil's Cursed Witch - Chapter 39

Su Li had an accident on the way to redeem the prize, and when she opened her eyes again, she became the fat lady of the Orion in Hejia Village, not to mention a cheap husband, and a pair of twin sons!

The husband looks good, but he doesn’t like to see himself!

Moreover, the conditions of this family are worrying. Although the family is separated, there is still a monthly alimony.

A certain man: Ma’am, you’ve worked hard, I’ll beat your shoulders and rub your legs.

Su Li glanced at him: I heard you don’t want to see me?

A certain man secretly groaned in his heart: Lady, listen to my explanation, it was all a misunderstanding…

- Description from novelbuddy

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

Waking up again in his seventh reincarnation, prince Jing Beiyuan found himself back in time, when everything had yet to be set in motion. Having been given a second chance, Beiyuan had to survive court and decide whether it was finally time for him to let go of his feelings; all while trying to handle the youthful, innocent force of nature who had suddenly barged into his already complicated life.

- Description from Novelupdates

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!