[Urban power, system text, with some science fiction + fantasy elements, multiple female protagonists]
The little brother woke up in the wilderness late at night and saw several corpses in front of him. One of them looked very similar to him, like a twin. Looking through the rearview mirror, he suddenly found that he was facing someone else's face...
The little brother traveled through his second life and gained a special ability that allowed him to perform trading tasks, until one day he discovered that the trader was a machine monster with a human head...
The little brother awakened his superpower and won the favor of the girls. Just when he was hesitating about how to get along with the girls, the three most powerful nuclear powers on the earth formed an alliance for the sake of world peace...
There is a catastrophe on the earth. Looking at the girls crying in despair, I feel that I have a responsibility to let human civilization continue...
"Go to sleep quickly. You will have the strength to continue crying when you wake up tomorrow."