In the dimly lit room, the Tamil audio story of Part 4 unfolds. The couples, unseen yet vividly imagined in 3D, begin their intimate exchange. The wives, their voices breathy and inviting, guide their husbands to their most sensitive spots. The men, their cocks throbbing with anticipation, tease their new partners, making them beg for more. The night is filled with the wet sounds of sex and the satisfied cries of release, leaving everyone craving more of this forbidden pleasure.