The first foreigner to become a samurai was an African slave.
26
Japan is the largest exporter of frog's legs.
114
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
108