Himitsu – Kuro no Chikai - Side Story Chapter 1 — The World Which He Loved

In the past life, he was an aerodynamic engineer of a well-known company, and in this life, he is a college student of a famous school.

When the two identities are perfectly integrated, what sparks will appear.

His life experience is also slowly uncovering the mystery, whether he can beat the tycoons of this era, and whether he can stand at the peak of world business.

- Description from novelbuddy

A huge disaster [Dark Game] sweeping across the multiverse has come.

When all the players in the game die, the entire civilization will be destroyed together.

Zhang Feng took the last artifact of mankind and was reborn from the future before the beginning of the dark game.

First of all, the first step is to start the game with a life of 100 years, and extract the SSS-level talent [Almighty Power].

The journey to the gods begins here!

- Description from novelbuddy

In her third year living in this steampunk world, Ciel gained the ability to simulate both the past and the future.These simulations turned into a game where she could act without restraint, and after countless trials, real life became a replica she could navigate as though speedrunning it.Churches, potions, mutations, the Old Gods, witches, sealed artifacts… none of these have anything to do with Ciel. She’s just an ordinary girl who wishes for a peaceful life.She just happens to be particularly skilled at snuffing out danger before it even begins.

She was the godly thief of the 24th century, yet she was reincarnated as a good-for-nothing idiot with no parents. Not only that, she had to bend her will according to her relatives’ mood. Idiot? Trash? Very well, sooner or later, she will show these group of silly earthlings what it means to be too late for regrets!