Mage Academy: I Have Infinite Skill Points - Chapter 299 - Even More Shocked

Chang An is a sub-beast who, despite having the talent for the sword, did not have the constitution to support it. And his savior, Hua Yi, is a beastman on the run for his life.

This is a story about how two once innocent children had to grow up in such a cruel beastman world.

- Description from Novelupdates

Some say that the financial war in City C was a bloody sacrifice prepared by Atlas Hallow's ex-wife for the child who died in her womb.The most ridiculous experience in Charlotte Miller's life was being forced to marry the man who should have been her sister's husband.After the marriage, she asked Atlas Hallow more than once, “Why me?”He pressed her under him, a deep and unfathomable smile in his eyes, “The Miller Family lost me a bride, shouldn't they compensate me with another one? Mrs. Hallow, I've never made such a bad deal in my life.”

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

500 years later, he returned back to Earth after enduring through several hardships and discovered that only 5 years had gone by.

…

In the courtyard, beauty at the side, a candle flame wavering.

A gush of clear wind, half a full moon, the peach tree remains unchanging.

…

Wait, whose kid is this?! Why is she calling me papa? Gazing at the little girl in front of him with skin as pale as jade, Chen Xi froze.

…

　
Returning home from cultivation, starting as a stay-at-home dad.

In this life, not fighting to be a king nor claiming to be a tyrant, only praying to peacefully be a wife-pampering mad devil and a child-protecting daddy!

- Description from Novelupdates

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.