For men, a suit and a white tie. But if it's more casual, the tie doesn't have to be white. For women, a nice simple party/cocktail dress and nice shoes (no sandals). Recently, it's been m...

My sensei told me that the best way is to time it so the person receives it by the 3rd of January for it to be a proper New Year's greeting. I would think by the 28th of December to be safest. But...

Sometimes specialty shops will have them. But depending on what it is, Tokyo might only have them when they have regional "fairs" or popup shops. Even Royce chocolates are hard to track down...