Wolf of the Blood Moon: A Blood Magic - Chapter 64Book 6:

This novel is also known as Almighty Video Game Designer

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

Watch as he redefines the world’s gaming industry with the games he remade from his old world.

- Description from Novelupdates

Having been reborn in the high school graduation season of 2008, Li Yuan found himself back at the moment when he confessed to the school beauty...Bai Weixi: “Thank you, being liked by you is an honor for me, but I don't want to be in a relationship right now.”Li Yuan promptly took back the gift he had presented: “Then give me back the gift I gave you.”Bai Weixi, with her beautiful eyes wide, looked at him in disbelief: “Li Yuan, what do you mean?”“You've already rejected me, yet you still want to keep my gift?”“But we are good friends!”“Heh, like I'm short of good friends? What I'm short of is a girlfriend, you get it?”Watching Bai Weixi, disheveled in the wind, Li Yuan turned to ask: “By the way, could you give me your best friend's phone number?”Bai Weixi fumed with anger: “Li Yuan, what are you trying to do?”Li Yuan just shrugged nonchalantly: “Nothing much, she's prettier than you, I've decided to pursue her instead.”

When I came to, I had reincarnated along with the base fortress from my sci-fi game. What’s more, I was in the form of the female avatar I used in the game. All around me was an endless ocean, with no iron, no fuel, no energy, nothing at all! No matter how advanced sci-fi technology is, without resources, nothing can be made. Despite this, the natives use some sort of incomprehensible technology called magic, and there’s not a trace of science to be found. Most importantly, I want to eat proper meals for nourishment, not just survive on IV drips! This is the story of a TS girl surviving in a fantasy world together with a super-advanced but spoiled AI administrator.

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy