B-Grader
A fake A-class person who was barely good enough for B-class but still sits in the B-Grader Chair like it's their throne
He's in A-class but still sits in the B-Grader Chair like it's his throne.
She was barely good enough for B-class but still clings to the B-Grader Chair.
He's in A-class but still acts like the B-Grader Chair is his kingdom.