The Only Fuel Is Using The D. - Chapter 364

“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.

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

Qi Tian was determined to design the most advanced aircraft engine but accidentally lost his life while saving others. He then transmigrated to the National Master Manor in the Cultivation World and became a disciple of the National Master, with an extra engine appearing inside him.Whether it's enemies or spirit stones and elixir, they all can serve as fuel for his engine. With the engine roaring, his cultivation journey is as unstoppable as a flying plane.As a National Master, he assists in setting up emperors and selecting heirs. The nation thrives, and the people live in peace.As a cultivator, he sweeps away all kinds of spirits and demons. Emperors bow their heads, and warlords make way.What did you say? A monk wants to bring three great demon cultivators through here? Can you tell them that my engine needs an upgrade?[This book is written in a refreshing style, making reading easy and relaxing. Your support is greatly appreciated.]

Having lived a normal life all his life and died without being able to fulfill his desire and when he’s given a task by a god, watch how he takes the protagonists girls while making it hard for the hero.