The things that are hard because you are not Japanese, rather than the things that are hard for everyone. 11 articles, newest first: comparing providers, getting ready to apply, installation, and cancelling when you leave.
The residence card address, payment methods, how the provider will contact you, and your building's wiring: what to check before applying for home internet in Japan, based on each provider's official pages.
Two providers take applications in English and other languages (GTN Home Internet and Sakura Fiber Internet). This guide explains what the large providers' English pages cover, and where to look for help if you need it.
What the fibre installation visit in Japan involves, who has to be home, what weekend visits cost, and the building permission you may need first. Based on each provider's official pages.
How to cancel home internet when you leave Japan: each provider's cancellation method and deadline, cancellation fees and installation balances, equipment return deadlines, and how to pay the final bill. Based on official pages.
Fibre from GTN, the company behind GTN Mobile, a SIM provider for foreign residents. After you send the application form, GTN staff contact you in your preferred language by email and phone, and GTN Mobile's support centre covers 13 languages (not stated specifically for the fibre service). The listed prices are for a two-year contract. The fibre page does not give the cancellation fee or the payment methods, so ask before you apply. This site has no affiliate partnership with GTN.
Fibre you can apply for and manage in English. Sakura Mobile says its Japanese-speaking staff will confirm installation conditions with your landlord and provide an interpreter on installation day. It is month to month with no cancellation fee, but it is the most expensive of the six providers here. It accepts cards issued outside Japan and cash payment at convenience stores. This site has no affiliate partnership with Sakura Mobile.
Six Japanese home internet providers compared by language support, monthly cost, contract length and time to connection, including two that take applications in English and other languages. Sources and check dates included.
Of the six providers in our table (each company's official 1 Gbps monthly price including tax, without campaign discounts; au's apartment price includes the modem), it is the cheapest for both houses and apartments (GMO Tokutoku BB Hikari checked on 27 September 2026, the other five on 3 October 2026). There is no cancellation fee if you leave early, although you still pay whatever is left of the installation fee. The downside: everything is in Japanese, and it only accepts credit cards issued in Japan.
Worth it mainly if you already have a docomo phone, because the bundle discount is applied to the phone bill rather than the internet bill. Two-year contract.
Runs on its own fibre rather than NTT lines, so availability depends on your exact address and it is often unavailable in older apartment buildings. Check the address before you plan around it.
Widely available. Cashback varies by the company you apply through, your plan and the application conditions. The application and support process assumes Japanese.