Online game: God-level Assassin, I Am the Shadow. - Chapter 151 - :Breaking the Speed of Sound! Lucky Town!

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Samantha Larsson became a laughing stock when Timothy Barker publicly denounced their marriage. Two years later, she was tricked into going home and married a mysterious man, who was known to be disfigured and physically disabled!

Nonetheless, she would fight until the end and destroy the scums, slowly getting her justice!

“Timothy, I’m letting you know that men are queuing to marry me! Even if you kneel and beg for me to marry you, I won’t choose you!”

Then, Samantha left proudly.

In the middle of the night, a mysterious man came over. “You won’t choose me? Hmm?” Soon, Samantha saw the mysterious man’s face, and her eyes widened…

In a monstrous post-apocalyptic setting, this is a story of how a lowly Inventor, Lance, conquered a nation governed by immoral group of Scientists called The Corporation. He grew and climbed up to the highest rank possible as a Scientist with his inventions and side businesses. Eventually, he became a weapons inventor, building weapons to two opposing sides. In doing so, Lance always crossed a dilemma. How could a nobody topple the most powerful government? How could one overcome circumstances beyond his grasp, especially in a world filled with monstrous mutations called the Abominants?