My Cute Teen Classmate Comes Over to Do Homework so She Gets Filled with Cum(dia Ita)(eng Sub)

Ah, man. I think my classmate's here already.

Hey, we're doing the duets together today. Today it is.

You just got out of school?

What is it that we have to study today? - Mathematical?

We have to do this. - Oh, but I haven't learned that stuff yet. I'm telling you.