Do you ever imagine what it would be like to be in a group, an all male group. A sexy group, a slutty group & a big horny group of guys that are there to just ruin you in the best gangbang you've ever had?..
I bet every time you have a wank you are thinking of more than one, it's more exciting than just picturing one person with you and a lot more fun to masturbate to.
You shouldn't really just keep this as a fantasy though, you should try and replicate it in real life. Get your gangbang fix for real, I'm sure you'd love it!