don't spend all your time in tokyo, definitely grab the rail pass which gives you unlimited trains and bullet trains, and check out osaka, kyoto, or wherever you fancy
try to resist getting wasted every night when 7-11 sells 9% strong zero for $2.44 (and you're with two aspiring alcoholics)
oh, and even though I wasn't 20, I never got ID'd anywhere. you just push a button on the touchscreen saying "I am over 20" and they let you buy it
