MTL - Never Fade Skull Flag - Chapter 627 rule?

Growing up with eccentric materialist parents who left him in the care of his grandfather for a job overseas, Zhang Heng had learned to adapt and be unfettered by the oddities and challenges in life. But he would soon learn the baffling truth about the world he thought he knew when one day at midnight time froze and he found himself in a world so quiet and still it was deafening. That night, he discovered that he had 24 hours more than everybody else and thus, marked the beginning of his adventures. The mysteries surrounding his newfound ability only deepened when a strange old man claimed to have given Zhang Heng that ‘gift of time’ and recruited the young man to participate in a cryptic ‘life-changing’ game on his behalf. Little did Zhang Heng know that accepting those terms meant embroiling himself in many versions of reality and exposing himself to the hidden secrets of the world—a decision he could never undo.

One day, the stuntman found that acquaintances and unfamiliar people were looking for him through various channels. Even someone from a certain department of the country came—

Team Leader of an abilities group: Comrade Jian Hua, on behalf of the nation, I want to tell you about a newly discovered world secret.

Protagonist: What?

Team Leader of an abilities group: In fact, our world is a book.

Protagonist: WTF?

Team Leader of an abilities group: And you will be the last villain of the seven volume novel series.

Protagonist: …

See title for the protagonist’s mood.

Book Character A: You and I are good childhood friends. Shouldn’t I be the white moonlight in your heart?

Protagonist: …

Book Character B: I treated you kindly, so shouldn’t you trust me completely?

Protagonist: …

Book Character C: I’m so considerate while busy. As good friends, shouldn’t we be rolling around on first base?

Protagonist: …

See title for the protagonist’s mood.

- Description from Novelupdates

A person carving out a path through life in a chaotic world.Zombies: Roar.Lin Fan: “We're all neighbors, why be so irritable?”Lin Fan: “I still need to go grocery shopping.”Lin Fan, looking at the zombified Xiao Qing: “Xiao Qing, I bought a few bottles of water, and I've already scanned the QR code.”Lin Fan: “Boss, I'd like to settle my wages.”Sunshine District, the community where Lin Fan lived, swarmed with countless refugees seeking shelter.We should learn from Lin Fan, adhere to the law, work for money, and strive to buy houses and cars, becoming outstanding citizens in a city overrun with zombies.

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.