MTL - Steel, Guns and the Industrial Party Across the World - Chapter 338

Lu Zixin has a Black Technology Chat Group of the Ten Thousand Realms , and the group members are the science and technology giants of the world.

Tony Stark : “Group owner, I will send this War Machine Mark II Armor to you!”

Red Queen : “Group owner, do you want to try the latest T virus ?”

Skynet : “Group owner, where is your world? I am going to destroy it.”

Bruce Wayne : “The Batmobile is simply used to pick up girls and today I have a great girl. Do you want to see it ?”

Vega Punk : “Recently synthesized a new demon fruit, does the group want to try an experiment ?”

Little Spidey : “I don’t care, I don’t care, do not send me the red envelope, I will retreat!”

. . .

Lu Zixin : “A group of lawless people, be careful with me!”

- Description from Novelupdates

After being hit by thunder while sleeping with his phone, Frank awakened to his Ability, being revealed to a new world of wonders and dangers and countless other Worlds filled with Chaos through his World Traveling System!

He discovered that Earth wasn't as he had thought it to be.

What he always believed to be fiction was real.

People with Abilities existed everywhere.

Powerful entities controlled the entire world behind the scenes.

Dungeons covered the world and Monsters roamed freely, bringing chaos behind the facade of a peaceful society.

However, Frank will not only have to face the dangers of his homeworld, but the unpredictable ones of countless others...

He has no choice, as he has been bestowed the Title of World Traveler!

Accompany Frank on his journey to grow as a person, to save his homeworld, and to conquer the multiverse!

This is a novel with a main character with emotions that develops more as the story advances, it is not about a lifeless drone that mindlessly kill things without any actual plot nor character progression!

In this novel Frank slowly changes, from a World Traveler to a World Conqueror! From a common man to someone who carves his way through challenges or enemies!

A Miao’s first impression on the male protagonist: a psycho and pervert who always attempts to make physical contact with her through unrighteous means.

Shen Xinglan’s first impression on the female protagonist: dunno.
A Miao, a street burgler, ran into Shen Xinglan, a billionaire in S City. Who would’ve thought that they would start a beautiful, romantic love story with ups and downs?

Shen Xinglan came back from a kill-training base on a distant island and started a successful career as a businessman. Along with numerous incredible helpers, can he manage to resist the plots and schemes against his enemies in his family? Does he have more secrets? What’s the untold stories of A Miao’s mysterious background?
Join their journey!

- Description from Novelupdates

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.