My Online Girlfriend Is The Nine Heaven Divine Phoenix - Chapter 318 - Teaching the Great God (1)   

In the early world of immortal cultivation, there was no physical cultivation among immortal cultivators. And a top bodybuilder who came from the earth has opened up a new path here and became the ancestor of physical training.

- Description from novelbuddy

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

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 power enemies 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 …

Lin Mo transmigrated to an eastern fantasy world.

He started off with a classic “zero to hero” opening.

Because of the [God Devourer] special attribute that he was born with, he used up countless resources, yet his cultivation level wouldn’t rise even one bit.

Finally, he was chased out of the clan by the chief.

He became responsible for managing the market place meant for newcomers at Initial Heart Village, which is a small town in the countryside.

He thought that he would live the rest of his life uneventfully as a businessman.

He didn’t expect that he would awaken the [Auction Rebate System]

As long as the auction house sells items, Lin Mo would receive rebates several times the value of the item sold.

[Ding! The host had auctioned off leftover bits from an elixir cauldron. Rebate give: Ninth Level Ultra Elixir: Heaven Forge Restoration Pill!]

[Ding! The host had auctioned off the basic cultivation method: Strength Training Long Fist. Rebate given: Ninth Level Ultra Cultivation Method: Ancient Dragon Mammoth Method!]

[Ding! The host had auctioned off a rusty bronze sword. Rebate give: Ninth Rank Ultra Weapon: God Slayer Sword!]

[Ding! …]

As such, Lin Mo’s insane path to greatness has begun!