Japan Sim Data is a Tokyo-based specialist in travel eSIMs for Japan, operated by COMFYS JAPAN LLC. Travellers choose a data-only plan, either a day pass with a daily high-speed allowance or a fixed-data package, on SoftBank or Docomo depending on the plan, and install it by QR code before they fly so that they are online on arrival. Customer support is available in English. Groups and travel agencies are welcome; for trade enquiries, email support@japansimdata.com with the subject "Trade enquiry".