We were going back home after a ride with the bicycle rental tour with my kid.
I saw this facade, very entertaining and it seemed quite new.
back home I found directly the architect web site, here
I do not know if the customers were really ones or just advertisment for the place! They look so american fashion style over that terrace.
It was evident that that building is to become the best spot outside the Olympic park of Komazawa which I suggest to visit at least once.