Reincarnated as the Son of Conglomerate - Chapter 20 Building A Castle

This is just a simple, sweet romantic moments.From A Silent Voice, I Want to Eat Your Pancreas, Your Name, Saekano: How to Raise a Boring Girlfriend, My Teen Romantic Comedy SNAFU, Durarara, and etc

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Consequently, he found –

A piece of metal scrap
A robot trash collector
A battleground
A city
A ton and more of gold
A copy of high-tech documents
A…
In short, Chen Jin found a planet.

- Description from Novelupdates

This stands at the forefront of strategy guides to Life (a shitty video game)!

Zhang Yan worked tirelessly for three years, all to save money and buy a house.But in the end, he discovered that all his money had been secretly transferred by his fiancée to her ex-boyfriend to fund his startup.In his fury, the God-Level Choice System was activated.1. Forgive her and receive the title “Enduring Green Turtle.”2. “Who doesn’t have an ex?” Call my ex-girlfriend and say, “I regret it. I want to get back together with you.” Reward: 30 million yuan and a “1 Yuan House Purchase Voucher.”Was there even a choice to make!?Without hesitation, Zhang Yan called his ex-girlfriend and said, “I regret it. I want to get back together with you.”“I’ll be there right away.”Fifteen minutes later, a breathtaking beauty, scoring 99 out of 100, arrived in a Lamborghini… with a household registration book in hand.(The synopsis is a bit weak, please read the main story.)