hehe thanks! non touisty? i’m really not that knowledgeable :C i haven’t been to japan yet maybe my followers can reply and help you out better T_T. But i would probably want to go to akihabara check out maid cafes and all the different electronic areas, go shopping in shibuya, check out asakusa and hopefully get a piece of traditional japan and maybe see a geisha *u* and eat a lot lol
check these sites out
http://www.lonelyplanet.com/japan/things-to-do
http://www.tripadvisor.com/Attractions-g294232-Activities-Japan.html
http://www.virtualtourist.com/travel/Asia/Japan/Things_To_Do-Japan-TG-C-1.html
there’s a lot of sites like this :3 hope i helped somewhat :’)