Well, nice to meet you is "Hajimemashite" はじめまして。
And you're a good friend is "Anata WA ii tomodachi" あなたはいい友達。
tomodachi
Tomodachi
tomodachi
Best Friend (Shinyuu)
''ASEDREGALLIO'' IS BEST FRIEND IN JAPANESE MAN
Tokubetsu no Tomodachi
watashi WA anata no tomodachi ni naru no WA attarimae
You may say 'odotte ne.' The informal language implies the closeness of the friendship without explicitly stating it.
In English, you can say 'I have a Japanese friend'.
If you mean "_________ is Japanese," you would say, _______ es Japonés.
Kochira WA anata no tomodachi desu.
Tomodashi ga ijiwaru desu.