The Tokyo metropolitan government has set up a large-scale vaccination venue for those who have difficulty moving around on their own.
For details, please refer to [For those who have difficulty moving by themselves] from the following URL.
https://www.tokyovaccine-rsv.metro.tokyo.lg.jp/pages/3rd-shot_venue.html (external site) 
inquiry
Tokyo Vaccination Venue Call Center Telephone: 0570-034-899
9:00 am to 6:00 pm, every day including weekends and holidays