Devil Slave (Satan system) - Chapter 12 Fighting E444...

On the wedding day, her fiancé and his lover had a love affair and eloped. Her eyes were dim, she seized the man in front of the Civil Affairs Bureau.”To sum it up, your bride is not here, my groom ran off, wouldn’t it be better if we… fight together?”. Before marriage, she said, “Even on the bed, between me and you, there will not be anything!” After the marriage, he said, “Do not try, how do you know?”

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?

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

After traveling to the Tivat continent, Lin Mo became a jar merchant, and since then he has embarked on a journey of selling jars.

Lin Mo: “Let’s open a jar. Whether it’s the Eye of God or the magic weapon, you can buy everything you need. You may earn blood, but I will never lose!”

Ningguang: “As long as you sell unlimited quantities, I am willing to give you all the money, and people can also give it to you!”

Hu Tao: “Golden Emperor Fen Tianyan? Or only ranked fourth on the Yihuo list? I can’t imagine the Yihuo in front of me.”

Ke Qing: “Sword Twenty-Three? Hey, what kind of terrifying swordsmanship is this!”

Yae Godko: “Touch your tail more, can you sell me an extra jar?”

Ayaka Kamari: “How can this Zanpakutō, Xiu Baixue, be so strong!”

…..

A few years later, everyone in the entire Tivat continent was looking for the jar left by Lin Mo.

- Description from novelbuddy