Rebirth to Create a Super System

A certain programmer woke up and found that he had traveled through time, but what the hell was this time traveling through? Others are the protagonist when they travel through time, why am I the system! I can bear it! There is a limit of one minute to find someone to possess you, and the countdown has begun to log out of the system! I can bear it! I can finally have a baby, I want to be Mr. Thirteen, but why do all the good things come from the protagonist! I can't bear it anymore, I want to trick the protagonist! The enemies are too rampant. I can't bear it any more. Let's give the protagonist a time limit! When this cheating system meets an innocent host, what kind of sparks will arise?