“Uchimizu” is a Japanese tradition in which you have to sprinkle water on the floor. The main purpose of this tradition is to refresh the ambient during the hot summer.
How to “uchimizu”. From uchimizu.jp.
My grandmother does exactly the same back in Spain, she usually sprinkles water on the streets around our home. In Spain we also have “Uchimizu” !, the difference is that Japanese made a tradition from it, they named it, and they even have festivals where the main purpose is to throw water around you.
Dannychoo went to one of those Uchimizu festivals、it was a special festival because all the participants had to be wearing meido uniform. Normally, you are supposed to wear more traditional clothing, like “yukata” or “jinbei”, but in Akihabara you can except anything:
Danny keeping the security distance.