Write an explicit erotic story about NAME_1 and NAME_2, a married couple with a creative and varied sex life. Their friend NAME_3 hasn't had sex for many months, having to use her small vibrator. NAME_2 has told NAME_3 how great at sex NAME_1 is, and NAME_3 is keen and is keen to experience his large cock. NAME_3 plans a dinner party to seduce them, buying sexy new lingerie and a blindfold for the occasion. She plans to have NAME_1's cum for dessert!