Your Own Tokyo Tour . If you’d like to spend a few hours to find and buy character goods for souvenir in Tokyo, there are several good places. One of the best places is Tokyo Character Street at B1F of First Avenue of Tokyo Station (First Avenue is connected to Yaesu Exit of Tokyo Station).
You can get an English floor map (http://www.tokyoeki-1bangai.co.jp/pdf/floorMap_foreign.pdf ) from the top right corner of the following Japanese web site http://www.tokyoeki-1bangai.co.jp/street/character
Ramen Street is also on B1F of First Avenue.
