Ultraman - Only Want To Protect You - Chapter 27

Ye Qinghan, young master of the powerful Ye Family, gets ostracized when his peerless father meets an unfortunate end. Lacking strength and in a bid to live a Purposeful life, he suffers through the unending ridicule, bullying and torture dealt to him at each turn. However fate is a cruel mistress and offers only pain and misery with no end in sight. Broken, weak and distraught, Ye Qinghan embarks on a journey to usurp the hands of fate and attain strength to protect his own.

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

When she woke up, she had already jumped through the dynasty of history. Qiao Wei fell silent, how could she be so unlucky? Sleeping can also cross through history? Even jumping two levels, becoming the mother of the two small buns.