胸の大きいブロンディ、ケイシャ・グレイが大きなペニスをしゃぶる

So, Keisha, Susan told me it was math that you wanted help with?

Yeah, she told me you're really good at math.

Not bad.

My grades really suck, so I definitely need your help.

Okay, well if you just want to bring out your book, we can start.