Edged and used for your cum

Finishing off my spell I find there's just one last ingredient missing... the cum of a virgin. Of course, it has to be teased and tormented out. No fun in just taking it cleanly. So I edge my slave, mostly with a magic wand. He's in danger of ruining the spell so I release his hand and let him finish himself, knowing he's a foot freak I put my sweaty feet into his face as he masturbates, helping ensure I get the load I need...