Sword Art Online - Vol 5 Chapter 3

The formless ancient world was infested with despicable demons. They hunted and feasted on mankind, keeping the human civilization constantly in a weak and suppressed state.

During the first known year, a magical mountain descended into the world from the realm of the Gods. Carved on this enormous mountain was a message: ‘Heaven Prevails’…

After the Grand Descent, a name that was given to the descending of the mountain, the Three Great Sages made their ways to Mystic Mountain where they learned to harvest what we now call magic, establishing the Mystic Cults and eighty-one sacred shrines to help aid mankind with the cult’s mystic powers against the eternal fight to the death with demons.

- Description from Novelupdates

This novel is also known as From The Start, I Traded A Galactic Warship

After getting a trading platform three thousand years later, everything in the world has become an antique, worth a thousand gold.

But it was also learned that three years later, aliens invaded, human beings fell, and the dark starry era began.

In this era of unprecedented change in tens of thousands of years.

Shen Shi decided.

First trade a space battleship, and then talk about it.

then–

Battleships come to the world from outer space! Global shock! Starry Sky Era, open in advance!

- Description from novelbuddy

The existence of a magician is to understand the truth of the real world. Saleen Metatrin, an ordinary magician, initially wanted to change one’s mind and destiny. During this, he went through many situations and phases in his life.

Mu Yu, who had just started university, unintentionally downloaded a mysterious hand tour and was brought to a strange and bizarre world, becoming the first player of the ‘Mystical World’.

By chance, Mu Yu joined an ancient sect that had declined for a thousand years. He successfully repaired the sect’s supreme technique, the Secret Manual of Space and Time, and became its spacetime descendant.

After three months, players officially logged into the Mystical World game. Mu Yu was already the pride of South Sky.

Two years later, when the players had grown up, Mu Yu had already become the most dazzling Saint under the starry sky.

….

At the foot of the Misty Cloud Mountain, a young girl in a white dress nestled in Mu Yu’s embrace as she cried, “I, Nalan Yanran, would rather die than marry that young master of the Xiao family. I only wish to marry you in this life.”

“Ding!” You have successfully triggered a 3-star mission! to help Nalan Yanran go to the Xiao family to end the engagement! ”

“Wait a minute, this script isn’t right. Can’t we just not do it?” Mu Yu felt like crying.

“Either way! Either die! ” The System pulled out a 10m long broadsword.

“Stop, can’t I do it…” Mu Yu submitted.

- Description from Novelupdates