Lustful Paradise - Chapter 4: You’re So Good At This, Sweetheart.

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 girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

The 7-year-old little crybaby met 11-year-old big brother who ran away from home.
[This man became the protector of redemption in his life]

The 16-year-old little dragon fell in love with a 20-year-old big brother.
[It’s a pity that the big brother didn’t recognize him as the little crybaby]

The 23-year-old single father and 27-year-old chief executive meets again.
[This time the little crybaby and his big brother are finally together]

Fortunately we met through hundreds of millions of people, Thank God, for letting us break through many obstacles and get back together again, falling in love with you and being with you again is the greatest fortune in my life.

- Description from Novelupdates

Ling Yihan arrived in the Wuxia world of “Heavenly Sword,” where he mastered the Nine Suns Divine Art, seized six Holy Fire Orders, and obtained the Imperial Jade Seal.Through system tasks, he acquired the Bridal Garment Divine Skill, Bright Jade Skill, Spirit Link Finger, and many other extraordinary techniques…Ji Xiaofu: “Your fingers… they can actually hold my sword…”Dai Qisi: “How is it that his martial arts are so similar to our Persian techniques…”Yin Susu: “My mosquito whiskers are useless against him…”Fan Yao: “His moves are even more bizarre than mine…”Qingyi Bat King: “My speed can’t match his…”Xuanming Elders: “Even the combined power of our Xuanming Divine Palm can’t withstand his Nine Suns Divine Art…”Zhang Sanfeng: “Ling, my friend, your Move the Flower and Connect the Jade technique is just as powerful as my Tai Chi fist…”Feilu.com reminds you: This novel and its characters are purely fictional. Any resemblance to actual events or persons is purely coincidental. Please do not imitate.