MTL - The Puppeteer of Academy City - Chapter 38 explain

Han Ze’s biggest wish in his life is to have a child. However, in the interstellar era with low fertility value, this wish is very slim, and his life has not been realized at the end of his life.
After his death, due to his obsession, he was bound by the almighty dad system, traveling through different planes to be a father to those children who were in urgent need of help.

Patriarchal Dad (Completed)
Upstart Cheating Dad (Completed)
Abuse Dad (Completed)
Playful Daddy (Completed)
The Last God the Father (Completed)
Father and Father (Completed)
Sick Daddy (Completed)
The troubles of Lord Han (Completed)
……

Content Labels: Ability System Fast Passing Through Books
Search keywords: protagonist: Han Ze ┃ supporting role: many ┃ others:

- Description from novelbuddy

Chu Guang, who had traveled to the post-apocalyptic world, discovered that he had unlocked a shelter system and was able to summon creatures named “player” from the previous world.

From that day on, the whole post-apocalyptic world became like a game.

“I have to squander; otherwise, won’t it be a waste of my parent’s talent at earning money?” Hong Dali answers a reporter’s question matter-of-factly.

Just after the interview ends, Hong Dali opens the Great Prodigal System’s interface and looks at the various good stuff displayed in it. Stroking his chin, he mumbles to himself, “I just need to squander 200 billion yuan more to exchange for the blueprint of the core technology, Engine Destruction, found in the strongest humanoid mecha weapon, Neo Granzon. Looks like I’ll have to work harder!”

“I want to splurge! I want to squander!”

After being set up and killed by her half-sister whom her ex-boyfriend had cheated with, Mu Siyin woke up one day to discover that not only was she alive, but she had traveled back in time to 2 years before her death.