No, I'm absolutely serious: Somebody in Japan has been going into men's rooms of government office buildings in Japan and is leaving envelopes of 10,000 yen bills in the stalls for people to find since April of 2007. Nobody knows who's doing it (because the bathrooms there are the only rooms that don't have securicams) or why they're doing it, but the bundles of notes are left neatly wrapped in paper with the houshuu ('remuneration') written on each of them, along with a carefully handwritten letter stating that whomever is leaving the packets of money will find the cash …