For @[email protected] who needed more #tokyotrainnerd stuff in his feeds.

Here’s a #TokyoMetro #HibiyaLine new-type I rode from work one day a few years ago.
#地下鉄　#東京メトロ　#日比谷線　#電車オタク　#てっちゃん

cc: @Kantoman @[email protected] @[email protected]