Maybe a Fake Gintama - Chapter 26: Shock! Kawaki Also Had Pets! The Ending Is...

Qin Lin was electrocuted by playing a nostalgic “Ranch Story” game, and suddenly gained the ability to enter the game. He also found that he could bring the watermelons grown in the game out of reality.

At first, he calculated that a pound of watermelon would sell for 2 yuan. As long as he sells 10,000 catties of watermelon seeds in the game, he can earn 20,000 yuan a day.

Later, he discovered that by upgrading pastures, he could obtain advanced crops beyond the world, raising livestock to obtain advanced livestock breeds that were far beyond the world, and building factories to obtain various formulas that were far beyond the world, and everything was different.

- Description from novelbuddy

“Everyone deserves a happy ending, don’t they?”…In the brutal fantasy RPG Fall of Ares, saving the world came at a cruel price — the deaths of every heroine the player had grown to love. No matter how skilled you were, their sacrifices were inevitable. The game warned you not to get attached.But one young man did.After beating the game and lamenting their tragic fates, he wakes up in its world — reborn as an extra, armed with one mission from a mysterious system:[Change their endings. Let them live.]Now enrolled at Mysteria Academy alongside the heroines doomed to die, he must rewrite fate itself. For every girl he saves, he’s rewarded. But the world resists change. Calamities draw closer. The true enemy — the Children of the Sky — are watching.And one of the heroines… remembers it all.

Maid, older sister, younger sister, and even mother, all of them.

This novel is also known as Random Skills: Exploring Dungeons

Legend has it that this world has magical qualities

Attract fragments of the broken world to strengthen yourself

It could be a building, an area, or a piece of history

These cages called earth in this world are dungeons

Wealth, power, power, everything can be found in endless dungeons to explore.

Life, emotion, freedom, everything is the price to pay for exploring the dungeon.

Kane looked at the Book of Adventure that was in front of him.

Opened it and looked, this is not the game system.

He knew he was about to take off.

- Description from novelbuddy