Stay connected
anywhere in Japan.
Affordable SIM cards and eSIM plans for travelers, expats, and residents. Activate in minutes, no contract required.
Plans for every need
From budget travelers to power users. All plans include free activation and 24/7 support.
Unlimited 5G
Unlimited high-speed data
- Unlimited 5G data
- Free domestic calls
- International calls included
- Hotspot sharing
- No speed throttling
High-Speed
Fast 5G for daily use
- 5G network access
- Free domestic calls
- Data rollover
- SIM or eSIM
Budget Plan
Great value, most popular
- 4G/LTE network
- Free domestic calls
- Flexible data packs
- No contract required
Save up to ¥550/month with Set Discount
Combine with credit card and home internet for maximum savings.
Everything you need to stay connected
Built for people who move fast. No paperwork, no waiting, no hassle.
5G Coverage
Nationwide 5G network covering all major cities and provinces across Japan.
eSIM Ready
Activate instantly — no physical SIM needed. Works with iPhone, Samsung, Pixel.
No Contract
Cancel anytime. No hidden fees, no lock-in periods, no bill surprises.
Multi-Language
Support in Vietnamese, English, Japanese, Korean, and Chinese.
Free Calls
Unlimited domestic calls with most plans. International add-ons available.
Instant Setup
Order online, activate in minutes. Same-day delivery in Tokyo and Osaka.
Connected across Japan
5G in major cities, 4G/LTE nationwide. Coverage in all 63 provinces.
Pickup & Delivery Locations
Trusted by travelers
across Japan
Real stories from people who stay connected with Yozuma — wherever their journey takes them.
“I arrived at Narita and had my eSIM activated before I even reached the taxi. Incredible — I was connected in under 3 minutes. The 5G speeds were faster than my home WiFi.
“Been using Yozuma for 8 months as an expat in Tokyo. The pricing is transparent, customer support answers in both English and Japanese. The app makes data add-ons trivial.
“Traveled all 47 prefectures last year — not a single dead zone. The Care plan with accident insurance was a lifesaver when I slipped on a hiking trail in Hokkaido.
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Frequently asked questions
Everything you need to know before getting started.
Need help choosing a plan?
Our support team speaks your language. Available 7 days a week, 9 AM to 9 PM.
Get started in 3 steps
Choose a plan that fits your needs
Apply online — takes under 2 minutes
Activate your SIM or eSIM instantly