In the quiet stacks of “follando a la amiga de mi hija,” a prim librarian type hikes up her pencil skirt under the table. No one sees her fingers dive beneath silk panties. “follando a la amiga de mi hija” hides the camera low, catching every furtive circle on her clit. Her breathing grows ragged; she bites her lip to stay silent as she comes, thighs clamping around her hand while pretending to read.