Cheating wife gives in to sick FIL's impulses

A cheating wife locks herself in the bathroom with her sick FIL, unable to resist his advances. He forces her to lick his armpits while she struggles with guilt and desire. The steamy mirror fogs up as she submits to his taboo demands, her body betraying her morals. Her husband's voice calls from downstairs, adding tension to the encounter. She bites her lip, trying to suppress her moans.