And why would the grandfather resist? When else would he have such an opportunity. Besides, it's always easier with a temperamental woman - she gets herself turned on and therefore comes much faster. You would have tried to bring to orgasm phlegmatic fat girl with a huge hollow. That's the kind of woman you should run away from. I've been in the middle of one of those, you can't wish it on the enemy.
Yeah, they made a really good gangbang. It's nice to watch them fondle themselves. Pretty students, I especially like the curly haired one and the blonde with eyes closed - really excite them.