MTL - Metropolitan System - Chapter 16 Is this about?

This is an infrastructure article about working hard to survive in troubled times with a blind date, also known as “I’m Doing Infrastructure in Troubled Times”

Zhao Hanzhang suffered an accident on his way back to school on a blind date. As soon as he opened his eyes, he was in the chaos of the Southern and Northern Dynasties. In this era when the order is broken and all manners and morals are fed to dogs, there are some people who are unwilling to succumb to fate and yearn for freedom and optimism. work hard.

- Description from novelbuddy

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

After retiring from the special forces, Ye Tian is hired by a beautiful boss as her personal bodyguard, leading to a colorful and adventurous life for him...

The challenges a female cultivator had to overcome on her life journey were countless.