Participate in our BE A LOCAL plan and communicate with a local Japanese :)
You can surely enjoy the conversation and learn a lot about Japanese daily life from local Japanese living in Tokyo!
The fastest to understanding the Japanese daily life is to stay at Japanese family, I think.
You can find the host family online now a day. There are so many agents who support to do that. Or even you can use the Airbnb for that.
Why don't you try that once? I guess that is the best way to live with them to understand their daily life!