I first went to Tokyo, Japan in late August last year. I feel that Japan is really a country that is particularly friendly to single dog. Basically all restaurants have meals and places suitable for one person to eat (similar to bar seats, without facing empty seats). Waiters and customers in restaurants are not surprised to eat alone. I have observed that there are many single customers in Japan. The overall experience is very free and efficient. There is no fixed plan or itinerary. You can go wherever you want and stay in one place for as long as you want. Shopping is super efficient. However, sometimes it is a bit lonely. No one communicated with each other when watching the exhibition. A person is afraid to go to izakaya and can only take selfies, especially when Roppongi is watching the night scene. This is a bright night scene on the outskirts of Tokyo, and the weather landscape of lightning and thunder that day, the romantic dim light of the observation deck is actually very suitable for couples to sit and watch. In fact, there are indeed many small couples snuggling together on the quiet sofa. I'm alone at this time, and I really feel lonely.