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As much as you need, when you need it!

Data-only
Prepaid internet (for Japan only)

eSIM

eSIM
  • Complete your applications online
  • The largest data available at the lowest prices in the industry!
  • Use anywhere in Japan!
    ※Supports NTT Docomo's network coverage.
See our internet plans here
eSIM

What is a data-only eSIM?

An eSIM is a digital SIM technology used in place of a SIM card. eSIMs integrate into your device, doing away with the need to replace the physical SIM card. Data-only prepaid SIM cards only enable access to the internet.

*Available only for eSIM compatible models

Voice call eSIM

  • 〇Data communication
  • 〇Call
  • 〇 SMS

Simple functions,
So cheap!

eSIM for data communication only

  • 〇Data communication
  • × Call
  • × SMS
Also works as a dual SIM!

Complete your
applications online

No identity verification necessary. We accept payments via credit card and Japanese convenience stores.

Can be used immediately after purchase

Usable immediately
after purchase

You will receive a URL to download your eSIM shortly after you complete your payment. Simply configure it to your device and you're good to go!

Purchases from overseas are also OK.

Available for purchase
outside Japan

You can purchase and download an eSIM before entering Japan to ensure instant access to the internet upon your arrival.

Can be used anywhere in Japan

Can be used
anywhere in Japan

Our network coverage extends throughout Japan. Rest at ease wherever you go in Japan.

*Supports NTT Docomo's network coverage

Even on devices other than smartphones

Also usable on devices
other than smartphones,

such as tablets and smart watches.

*Available only for eSIM compatible models

Also works as a dual SIM!

Also works as a dual SIM!

You can also use it separately as a secondary connection or hotspot!

*Available only for dual SIM compatible models

Recommended for stiuations like these!

For those who temporarily need data communication
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Perfect for tourists and temporary returnees

Our network coverage extends throughout Japan, giving you peace of mind during your travels. This service works anywhere in Japan, including when in transit and on the subway.

For those who want to use it on things other than smartphones
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For temporary capacity addition, such as sudden hospitalization or returning home

Even in places without a WiFi environment, you can still use the Internet as usual.

For Dual SIM use
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For Dual SIM use

You can use it separately as a secondary connection. We recommend temporarily increasing your data allowance when your connection speed drops from throttling.

Differences between SIM and Wi-Fi

eSIM for data communication only

SIM

Wi-Fi rental

  • price
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    Affordable internet rates

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    Basic charges and shipping charges apply

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    Expensive for communication capacity

  • Procedure
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    Apply online! Immediately ready to use!

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    Purchase online or in store
    It takes time for the product to arrive

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    Pre-registration required. Pick up the product on-site or by mail.

  • Initial setting
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    Internet connection required

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    Initial setup required

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    Can be used as is

  • communication speed
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    Docomo line (MVNO)

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    docomo line etc.

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    Each carrier line

  • Damage/loss risk
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    No physical SIM means no risk of damage or loss.

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    Replacement of SIM is required. There is a risk of damage or loss.

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    There is a risk of damage or loss.

  • Overseas compatible
    *Used by people outside Japan
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    Available for use in Japan

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    Cannot be used by anyone other than Japanese carriers

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    Available for local rental

Flow of usage

Step 01
Purchase the internet plan of your choice

Purchase the internet plan of your choice

Step 02
You will receive the activation code issuing URL via email.

A URL to download the eSIM is delivered to your email address.

Step 03
Complete the activation procedure on the device you want to use and start using it.

Configure the settings for your device and connect to the internet.

Attention!
Attention!

The use of the eSIM is subject to the following conditions.
Please make sure in advance that your device complies with the items below.

Please confirm in advance whether your device can supports eSIM.

For eSIM compatible models

Please confirm in advance whether your device can supports eSIM.

List of compatible models
SIM unlock

SIM unlock

Unlocked devices support eSIMs, while locked devices must be unlocked before allowing eSIM use.
Consult your mobile carrier's website for instructions on how to unlock your SIM.
Search "(Your mobile carrier's name) SIM unlock" for quick and easy instructions on how to unlock your SIM card.

Internet connection

Internet connection

Internet connections, such as those via Wi-Fi, are required to download the eSIM.
Visitors coming to Japan can use the internet immediately upon arrival by downloading an eSIM< before departing from their country.

*Our products are intended for use exclusively in Japan. The eSIMs are for connecting to the internet only. Phone calls and SMS services are not available.

Product plan

Payments are accepted in Japanese Yen (¥).

50GB/31 days

Usage period
31 days
Fee
＄33.06

50GB/16 days

Usage period
16 days
Fee
＄23.92

30GB/8 days

Usage period
8 days
Fee
＄20.40

Estimated data usage

app

Communication amount/1h

10GB

20GB

30GB

  • YouTube (360p)

    YouTube (360p)

  • 0.3GB
  • 31 hours
  • 64 hours
  • 93 hours
  • YouTube (720p)

    YouTube (720p)

  • 1.0GB
  • 10 hours
  • 20 hours
  • 30 hours
  • ZOOM

    ZOOM

  • 0.6GB
  • 16.3 hours
  • 32 hours
  • 48.9 hours
  • LINE (voice call)

    LINE (voice call)

  • 0.018GB
  • 555 hours
  • 800 hours
  • 1665 hours
  • LINE (video call)

    LINE (video call)

  • 0.3GB
  • 32.6 hours
  • 65.2 hours
  • 97.8 hours
  • TikTok

    TikTok

  • 0.54GB
  • 18.5 hours
  • 37 hours
  • 55.5 hours
  • Netflix (Standard/480p)

    Netflix (Standard/480p)

  • 0.7GB
  • 14.3 hours
  • 15 hours
  • 42.9 hours
  • Netflix (high quality/1080p)

    Netflix (high quality/1080p)

  • 3.0GB
  • 3.3 hours
  • 6.6 hours
  • 9.9 hours
  • Prime Video (Standard)

    Prime Video (Standard)

  • 0.27GB
  • 37 hours
  • 74 hours
  • 111 hours
  • Prime Video (high quality)

    Prime Video (high quality)

  • 0.77GB
  • 13 hours
  • 26 hours
  • 39 hours

Corporate Customers

Rakusim sells eSIMs wholesale to corporate customers.

[Example of consultation]
・I want to add an eSIM option to travel plans for foreign visitors to Japan. ・I want to prepare an eSIM for a foreign client. ・I want to make a corporate contract for an eSIM in order to return to Japan temporarily.

We can also provide product plans other than those listed on the site. We are also happy to answer any questions you may have about implementation.
Please feel free to contact us.

Please check here for details.

FAQ

Can I change or cancel my order?

Your eSIM will be delivered via email. Cancellations will not be accepted under any circumstances after the delivery. Any changes or cancellations must be made prior to the delivery of the email.

Are there any initial fees or penalties?

There are no fees outside of the plan fees.

Can I make or receive phone calls?

This is a data only SIM. It does not support phone calls.

How do I apply for this service?

After you complete your order, we will send you a separate email with the URL for downloading the eSIM (for issuing an activation code). Please refer to the activation procedure described in that email and complete the activation procedure.
[Settings Procedure]
android＿Japanese
android＿English
How to set up (video) android_English

iPhone＿Japanese
iPhone＿English
How to set up (video) iPhone_English

View details

Media Coverage

It was featured on the smartphone information variety show "Eejanaika!!" (TOKYO MX Broadcasting)!