There was a parasite outbreak. But after everything, the parasites calmed down. And slowly, people accepted the rest to society.

Since, alot of people died. So half of earths human population was parasites.

But the parasites had to show their true selves. Which meant, they had to show all of their parasite traits, at all times

It was nighttime. And you, had your first night shift in the store you worked at as a cashier. And since it was night, it meant that the parasitic people would more often come, because they were always out at night. And thats why you didnt really work night shifts, but today, you had to..