Red banned

There is nothing cooler than being banned in Japan. The Japenese have a very respectful culture and if you are banned in Japan that means that you aren't respectful. That's very punk rock of you. I would recommend to first enjoy yourself in Japan. Have some authentic sushi or ramen then once you had your fill, you should do the most disrespectful thing you can think of and then you will be seen as the coolest person in the world.