Clearly, what you want to do is, combine porn and learning... sexucation, if you will.

You book ですy!y

https://www.youtube.com/watch?v=F7n94zPfjko
https://www.youtube.com/watch?v=L5RAHfwIRyw
https://www.youtube.com/watch?v=EWb8oUwubWg
https://www.youtube.com/watch?v=lvUTdd1OVrc