8 XXX : GuysFromBehind

This is one of those situations where my mind immediately goes to "if I saw him like that and nobody was around it would be *really* tempting to put a finger or two up there with no warning". Hard to find no warning content around here - seems quite unpopular actually, so I guess I'll see myself out before I get downvoted and told that'd be illegal. D:
My dick just got hard in, like, .2 seconds after seeing this pic. OMGGG the things I would do (if you let me, of course ?)