e621.net · 6101254

Though Sam was too embarrassed to ever admit it, Red could tell Sam loved every moment, and his face showed that quite clearly. What a fun activity it was for him, to just sit there and watch the little fennec squirm around, trying to make sense of it all. So he just sat there, slapping away...
Poor Sam is really struggling here, his balls being slapped by his mate's member.. it's not so much that he's hurting but trying to resist bursting from the sensation, being caged all the time leads to him being very susceptible to other stimuli. I think he can hold out. for a few more seconds..