>>3057063They wish "Have a good year" leading up to New Year's, spend NYE watching TV with family and a midnight trip to a temple to pray, then the first few days of the New Year with extended family and friends in a Thanksgiving-style feeding and drinking frenzy.
When you see someone for the first time in the New Year, then you have to wish Happy New Year.
Also between the 2nd-4th of Jan is basically the Japanese equivalent of Black Friday, where big department stores have massive sales and shit gets crazy.
