MTL - The 21st Century of the Gangsters Everywhere - ~ Six hundred and seventy-seven applications

Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'...Born in the history of human civilization, possess mysterious and magical powers in another world!Original sin, biological evolution, mastery of all arts...By reading the secret tomes, one can gain a variety of powers!The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth.At this time, there comes a librarian from Earth...

An invasion like no other.
Dragons destroying everything in sight.
A new world rising from the ashes.

Blake lived through it all before he died, but now he was back, back to the time before things had ever happened.

A strange place with a strange girl....

Blake had no idea how it happened, but he suddenly had one of the enemies of mankind, a dragon girl, as his girlfriend.

--Extra Info--
Yuri tag is for his wives. Everyone in the harem will love each other.

Extra tag: NO NTR

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[mafia, crazy love, abusive love]She was reborn, returned to the age of 18, when she already possessed a colossal fortune. In the previous life, she was executed on the street and died tragically merely due to a dangerous man she'd encountered once.After being reborn, she decided to change her fate. As she pondered how to avoid him, she unexpectedly discovered his name on the list of beneficiaries of the charity.“Can I kill someone?” She asked her assistant.“No. The law binds you!”So, to survive in this life, she tricked him back home. Initially, she believed it to be a means of repayment.Until one day, she felt his gaze become terrifying. She saved him, but accidentally led him down a more terrifying path. Everything had spiraled out of control…When they meet again, he is already a terrifying demon. With blood on his face, he forced her into a corner and said, “Be my mistress, or let me be yours.”She threatened him with a knife, but he laughed even more brightly and held her hand, saying, “You're afraid of me? Ok, I'll teach you how to hurt me the most.” And he guided her hand to hurt himself.She suddenly understood that she should have left him alone. He was injured, bleeding, but still laughing.She said lovingly, “I am indeed afraid, but I don't deny that I love you...”

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