Kanda Myojin Shrine / Amazake shop "Amano-ya"
Kanda Myojin Shrine has a history of nearly 1,300 years in Edo-Tokyo. Also being called the god of IT. Anime Ema can be seen as it's close to Akihabara.
Amanoya is a long-established store founded in 1846; it sells fermented foods and their Amazake is something worth to try.