Tomodachi no Imouto ga Ore ni Dake Uzai - Volume 5, Afterword

Zero, a 35-year-old mercenary, after being betrayed by one of his teammates who told his enemy about him. He chooses suicide so that he can kill his enemy and his traitor teammate. After that, he was reincarnated into the world of magic, in the body of an 18-year-old teenager with the same name as him. However, his body does not have mana or the talent for magic. But with the help of the cultivation system, he has unrivaled power in the world and has a harem of beautiful wives.

I fell into a harem manga and became a magical girl.I just wanted to become a government employee and live a carefree life without getting involved with the main characters, but…“I love you.”The main heroine, who was supposed to confess to the protagonist, confessed to me instead.…Why?

[May I ask what is the method to distinguish the sex of Thunder Mouse? ]
[What kind of psychedelic beast is Thorn Seahorse? ]
[What is the superpower trick that Lipstick Magneto can learn? ]
The last subject of the college entrance examination, comprehensive science, suddenly became the basic knowledge of Eudemons!
Sitting behind the desk, Chen Qiyue looked blank.
hehehehehe
Looking at the contents of this test paper and the students around him who were busy writing, the corners of Chen Qiyue’s mouth twitched.
He must be dreaming.
Otherwise, the world is crazy!
—————-
Inside the Phantom Beast Breeding House,
“Sir, which one do you want to buy?” the waitress asked weakly.
Chen Qiyue pointed to one of the phantom beast eggs, “I want it!”
“Okay, I’ll take it off for you.”
“Wait! I choose this one!”
Chen Qiyue pointed to another egg.
“Okay, do you want to change it?”
“hold on!”
Receptionist: …
half an hour later,
Chen Qiyue happily embraced the black-and-white Laqiu in his arms, and left with the blue-spotted egg.
The female receptionist suddenly turned pale, her legs became weak, she fell to the ground, and began to cry.
This person is too bad, he deliberately pointed out all these phantom beast eggs.
Chen Qiyue spread his hands, who made my golden finger have to be like this…
Heck, I’m a decent person!

- Description from novelbuddy

A prestigious senior mechanical engineer in the industry, Xu Yi was sent to a world dominated by magic.

In a world with an almost non-existent industrial system, how can Xu Yi display his value?

When magic collides with modern technology, when magic merges with machinery, that is the beginning of this story.