I Will Live As An Actor - Chapter 114:

She is the underworld Ghost Doctor’s only disciple, who accidentally transmigrated into the body of the main wife’s daughter in the general’s mansion. She used to be a punching bag.Now, she stepped on her dregs of an older sister, put her father’s concubine in her place, and teaches any objectionable aristocratic ladies a lesson.

Her days are rather free and unfettered. But when did that cold as ice prince from the rumors, sporting a deadpan face all day long, fix his gaze on her?
He unexpectedly fawned and pandered to her like a devoted dog?

“Go away, you rotten man! Careful or I’ll needle you like a pin cushion!”

“Wife, why are you so fierce? As a husband, I’m so scared”
….the man is all smiles as he approached, his eyes gleaming with a cunning light.

- Description from Novelupdates

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

Watts is just your average 21-year-old, hustling to make a living in a world that seems to grow harsher by the day. By daylight, he works in the bustling chaos of the airport, hefting heavy luggage for passengers who barely notice him.By night, he trades punches as a kickboxer, channeling his frustrations into the ring. Life isn’t easy, but it’s his, and he’s making it work.Until the day everything changes.Watts wakes up one morning lying in a pool of his own blood on the cold floor of the airport’s luggage room, his mind blank about what happened.Was it an accident? An attack? He has no answers—just a splitting headache and a world turned upside down. Because when he comes to, Watts discovers something unbelievable: he can create anything. Anything.Money, cars, weapons of unimaginable destruction. Galaxies, black holes, entire realities. All at the tips of his fingers. The possibilities are limitless, but so are the dangers.As Watts begins to explore the boundaries of his newfound power, he stumbles upon secrets buried deep within the world—secrets no one was meant to uncover.Now, with his life spiraling into the unknown, Watts is faced with a choice: use his powers to better the world or risk losing himself entirely. But the deeper he delves into his abilities, the more he realizes the price of wielding such power might be more than he’s willing to pay.Dive into Watts' Creation and follow his journey as he unravels the mysteries of his new reality, challenges forces beyond comprehension, and wrestles with the ultimate question: what would you do if you could create… everything

Luo Qing Chen is a wandering spirit that died thirty thousand years ago, roaming the Chaos Space

In order to not turn into dust, she is bound by an ice cold system to travel through time and space to complete missions.

Girls that pretend to be weak?  Slap them without explaining.

A silly cannon fodder?  Helping them amass treasures.

Meeting a real male god?  All of them will pamper.

System: Dear masters, what do I do if my host even dares bully the heavens?  Waiting for an answer, it’s urgent!

A certain male god: Change systems.

System: ヽ〔?Д?〕丿

- Description from Novelupdates