A Guide for Background Characters to Survive in a Manga - Chapter 17

The general of the demon world possessed the body of a third-rate small time celebrity. This was the story of him coming over, determined to make preparations for the demon world’s invasion of the human world, but accidentally got mixed in with the entertainment circle instead.

Frank, a mercenary known for his cold ruthlessness, decides it’s time to leave the bloody world of the underworld behind. But the underworld has no plans of letting him go. Relentless enemies from his violent past keep hunting him, and eventually, they succeed—Frank is killed.But fate has other plans. Instead of staying dead, he is mysteriously reincarnated into the body of a cop in a world filled with crime, corruption, and dark secrets. With the help of a strange, all-knowing system, Frank is given the chance to live again—this time, to prevent crime before it happens.

Four deadly choices in life:Being a cop in Mexico!Absolute justice here means getting shot, BIUBIUBIU.The protagonist finds himself in the body of a jail guard and discovers that his eyes can see a person's Crime Value!Only by outgunning the criminals can he uphold justice!This prison is called “Plateau Prison”, the highest security level in Mexico.At this time, there is a man locked up inside.His name is Gallardo, nicknamed Godfather, one of the founders of the Guadalajara Cartel.If you want to survive, either leave this damned country, or climb your way to the top.Mexico can be bright!

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.