Drink bottle looks like the Yamanote Line

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Shibuya246 spotted these JR Train Drinks at a store. Has anyone tried it? What does it taste like? Trains? Tea?

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One thought on “Drink bottle looks like the Yamanote Line

  1. I saw this recently, and the label says “電茶” (dencha). i guess it’s just your usual bottled green tea, packaged differently.