Seducing the Futa: futa on female

There's something about Blaire that makes Callie want her desperately. But she has a girlfriend and rebuffs all of Callie's advances. Callie has all but given up when she walks into the bathroom to find Blaire peeing—into a urinal. Her desire intensifies until she comes onto Blaire in a much more direct manner than before—and finally succeeds.