My Space-Time System - Chapter 9: First day in school

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.

Jiang Chen had unexpectedly found himself thrust into a world of cultivation, stepping into the role of a core disciple within a famed sect. Fated to be the villain, his future loomed with calamity. He had plotted against the protagonist, crippling his dantian and leaving him a disgraced outcast teetering on the edge of expulsion. Were it not for an unexpected twist, Jiang Chen’s part might have ended as a mere footnote in the protagonist’s glorious tale. Fully aware of his precarious position, Jiang Chen’s lips curled into a sly grin. Alone, he mused: ’Is the protagonist powerful? Without a doubt.’ ’But will I tremble in fear? Absolutely not.’ ’Why? Because I have the Immortal Great Villain System!’ ’Wait... there’s more than one protagonist?’ ’Well, isn’t that just perfect?’ With a determined glint in his eyes, Jiang Chen declared to himself, ’As the ultimate Great Villain, I will defy the will of Heaven and seize my place at the summit!’

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.

Jayhan's life was more active than the average person's, and he was loving it.He had a beautiful gamer girlfriend who was basically every man's type and a job working as a construction worker for the government while also being a streamer on the side.One day, he and his girlfriend got into a new game that had launched, an apocalypse game that focused on survival.What happens when this game suddenly becomes reality, and the whole world is pulled into this madness?Not only that, Jayhan also realized, unlike everyone else, he had a system, one that gave him an edge over the rest.[Welcome to the Survival System.][You have unlocked three unique skills for your survival.][The SSS-rank skill, Radar, is now under your possession.][The SSS-rank skill, Lord of Information, is now under your possession.][The SSS-rank skill, Absorb, is now under your possession.][For every orb you absorb, you get closer to gaining the skill of said orb.][For every follower you gain, you activate, share their growth, and progress.]Just when Jayhan thought he had gotten everything, he found out he wasn't the only one with a system; his girlfriend was also gifted the same thing.Except hers is solely focused on his safety.{Jayhan's survival rate is below 79%.}{Alert, danger has been placed on Jayhan.}How will they survive the apocalypse together when other people are actively trying to follow him in the process?