This was relatively close to Akihabara; it's also the only time I've seen a popcorn vending machine in Japan. (The flags make it American, I guess.)
<a href="//www.flickr.com/people/94302050@N00" class="extiw" title="flickruser:94302050@N00">moof</a>
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<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/94302050@N00/3337395672">popcorn</a>