Japanese lottery
If parimutuel, think of them as a Japanese version of Lotto (in fact there is something called Lotto on sale here as well); usually these tickets can be bought at booths located near Mizuho Bank, in addition to standalone booths found on street corners... there are also "Takarakuji" tickets from stores (Akihabara, local "Shotengai" <shopping areas> and malls) which are provided upon purchasing a certain amount of goods from such stores; sponsored by the store associations, these offer a variety of prizes, sometimes incl. cash prizes
Mike's