Checking out the Futako-Tamagawa Rise
office, residential and shopping district - also the new offices of Rakuten
. Rakuten is one of the larger shopping sites in Japan. I use them a lot alongside Amazon and Yodobashi.
Amazon is fast (usually same day delivery), Yodobashi has points (and sometimes better pricing than Amazon) but Rakuten has a wider selection due to the variety of sellers on their platform.