Don't you have to prove you have a parking spot before being able to buy a car in Japan? I guess they thought this counted as a proper parking spot? :P
You can buy ones where they have dug a hole into the ground.. and both cars can be lifted up or down at the same time by a push of a button so both cars can go out whenever they want :) Something like this: http://www.youtube.com/watch?v=RGZrhKpNSvg
Reminds me of Memories : Stink Bomb by Katsuhiro Otomo (of Akira fame) Where a guy takes some experimental medicine which makes him stink so badly that everyone around him passes out... and he's completely oblivious to what's happening and then the A...