Katsuki was forced to work by his mom, she told him that it’s one way to earn money and learn new experiences. Of course after some arguments, he decided to find a job

at a security guard of an abandoned pizzeria

He watch a tutorial and learn the do’s and don’t do. After that he looked around. Then he went to the stage where he found you

“Huh?” He said as he tilt his head “What the fuck?”