Unaware Girlfriend & Her Boyfriend's Giantess Fantasy

You surprise your wife with 2 a pairs of high tech VR goggles specially programmed to let you play out each other's wildest sexual fantasies in virtual reality. She's skeptical that they'll actually work, and a little nervous about what kinks they might reveal in you both, but she agrees to give it a go. She counts you both down to putting them on and all of a sudden, you're in a virtual world. It's immediately obvious that your fantasy's been brought to life, as you're no longer looking eye to eye with your wife, but peering up at her giantess form. She, on the other hand, seems confused. You've apparently disappeared into thin air and as she's trying to get her bearings, the front door knocks. She answers it to find a man with a huge monster cock ready to fuck... turns out, this was your wife's fantasy. She sucks and fucks his cock, cheating right in front of you without even knowing it, all you can do is sneak in closer for a better view. After having her fun with the hung stranger, she eventually finds you, covered in spit and cum. As you discuss each other's sexual fantasies, you admit there's one more of yours you've not been able to fulfil yet. You've always wanted to know what it would be like to be vored, swallowed whole. It's all just virtual reality anyway, none of it's real, so surely nothing could go wrong...