The themed love hotel area is also worth a visit. As Tokyo is so densely populated, and families mainly live in cramped apartments, the younger generation go to these places to get some privacy.
Bamboo forest is a good shout. I also really got into moss gardens whilst I was there. Well worth checking some out. Beautiful, peaceful and kind of mystic.
I think the fish market has moved to a new modern facility. The old one was superb, really really superb. Did you get in to the part where they do the tuna auctions? They only let about 20 people in at a time and I was lucky.
The workers cafes at the market are excellent. I like the idea they...
Kitchen Town is fun if you want to look at plastic food. We have a very authentic rice and curry dish and a fried egg and a slice of toast gracing our apartment.
https://www.japan-guide.com/e/e3020.html
I’ve been to Tokyo and couple of times and Kyoto once.
There’s so much to do in both places it really depends what you’re into.
But if you fancy a fun boozy night out I recommend these two places.
http://www.unmissabletokyo.com/golden-gai
This is fun for food with post-war Tokyo vibes...