Anime related products and home appliances are many in Akihabara.There are lots of ramen shops, taverns, curry shops and so on.If you want to eat more authentic and traditional things, we recommend going to Ueno or Kanda near Akihabara.
It's a difficult question.Mochi is used for various dishes.Since Asakusa is an old town, I think there are many shops of mochi.
In Tokyo?How about Yanesen Street or Asakusa Nakamise Street?
It depends on dorayaki. I think that it is roughly 100 to 300 yen.
I have answered a similar question before.https://hubjapan.io/questions/what-are-taboos-in-japanese-culture
I think good to buy on some big department stores. For example Takashimaya or Isetan food floors. But I don't know that is "best". Please try search the information on web.
There are good bars near Shinjuku-Sanchome station.For example Caruso.https://www.tripadvisor.jp/Restaurant_Review-g1066457-d9964574-Reviews-Barcaruso-Shinjuku_Tokyo_Tokyo_Prefecture_Kanto.html
My recommendation is Kamakura.The area is historical and beautiful.https://hubjapan.io/tags/kamakura
If you will go to Tokyo, my recommendation is Ippuku in Ogawamachi.My most recommended menu is curry udon in Ippuku. Off course simple udon is great also.https://www.yelp.com/search?cflt=udon&find_loc=%E5%B0%8F%E5%B7%9D%E7%94%BA%E9%A7%85%2C+%E5%8D%83%E4%BB%A3%E7%94%B0%E5%8C%BA%2C+%E6%9D%B1%E4%BA%...
Yes,Tokyo free guidehttp://www.tokyofreeguide.org/Japan Tour Guidehttps://tourguide.jp/tourist/login
Sawara has a traditional atmosphere, near Narita. (but need more than 30 minutes on one way)However, stores may be shut down at night, so what you see from the evening may be limited.Narita is famous for eel. If you do not eat eels elsewhere, I think that it is good to eat.Narita's mascot is Unar...