Sex Dungeon Panic Room
The ICBMs went airborne and we all scooted into the SDPR.
Thankfully we had cleaned it after the previous use.
Or there would have been some uncomfortable conversations with the kids.
A radiation-proof airtight metal box with 30 days of supplies for 5 people.
Only useful once (at best) so you may as well put a swing and a wedge in storage.
The soundproofing is obviously what you’re after in the present, and in the future?
Surviving the nuclear holocaust in relative safety and comfort.