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Just what you need when you need it!

For prepaid data communication only

eSIM

eSIM
  • Complete the procedure online !
  • Large capacity at the lowest price in the industry!
  • Can be used anywhere in Japan !
    *Compatible with NTT Docomo communication area
eSIM

What is eSIM for data communication ?

eSIM is a digital SIM technology used instead of a SIM card. Built inside the device, no physical replacement is required. A prepaid SIM that can only be used for data communication is a data communication-only eSIM.

*Available only for eSIM compatible models

Voice call eSIM

  • 〇Data communication
  • 〇Call
  • SMS

Simple functions,
So cheap!

eSIM for data communication only

  • 〇Data communication
  • × Call
  • × SMS
Can also be used as dual SIM

Complete the procedure online

There is no need for procedures such as identity verification. Payment can also be made by credit card or convenience store.

Can be used immediately after purchase

Can be used immediately after purchase

An activation code will be issued immediately after payment is completed. You can use it immediately by setting it on your device.

Purchases from overseas are also OK.

Purchases from overseas are also OK.

By purchasing it before entering Japan, you can start using it immediately after arriving by simply configuring it on your device.

Can be used anywhere in Japan

Can be used anywhere in Japan

The network covers all of Japan, so you can use it anywhere.

*Compatible with NTT Docomo communication area

Even on devices other than smartphones

Even on devices other than smartphones

It can also be used on tablets and smart watches.

*Available only for eSIM compatible models

Can also be used as dual SIM

Can also be used as dual SIM

It can also be used as a sub-line for different communication purposes. You can also use tethering.

*Available only for dual SIM compatible models

Recommended for scenes like this!

For those who temporarily need data communication
Scene01

For traveling to Japan or returning home temporarily

It covers the entire network of Japan, so it can be used anywhere in Japan.

For those who want to use it on things other than smartphones
Scene02

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.

Those who want to use it as a dual SIM
Scene03

Those who want to use it as a dual SIM

It can also be used as a secondary line for separate data communications. It is also recommended for temporarily adding capacity when speeds are limited.

Differences between SIM and Wi-Fi

eSIM for data communication only

SIM

Wi-Fi rental

  • price
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    Cheap for communication capacity

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    Basic charges and shipping charges apply

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    Expensive for communication capacity

  • Procedure
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    Complete online! 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 environment 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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    There is no physical object, so there is no risk.

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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 on local service

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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 desired product plan

Purchase the desired product plan

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

You will receive the activation code issuing URL via email.

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

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

Attention!
Attention!

The use of eSIM is subject to the following conditions:
Please be sure to check in advance.

Please check in advance whether the device you are using supports eSIM.

eSIM compatible models

Please check in advance whether the device you are using supports eSIM.

SIM unlock

SIM unlock

Devices contracted with a carrier must be SIM unlocked.

Internet environment

Internet environment

The activation procedure is performed by connecting to a network via Wi-Fi, etc.

*Our products are for use only in Japan. In addition, they are for data communication only, so calls and SMS cannot be used.

Product plan

Payment will be settled in Yen.

50GB/31 days

Usage period
31 days
Fee
$30.16

50GB/16 days

Usage period
16 days
Fee
$21.82

30GB/8 days

Usage period
8 days
Fee
$18.61

Estimated communication capacity

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.

Contact us from here

FAQ

Can I change or cancel my order?

Delivery will be made by sending an email. We cannot accept cancellations for any reason after delivery. Changes or cancellations can be made before the email arrives.

Are there any initial costs or penalties?

There are no costs other than the plan fee.

Can I make voice calls?

It is for data communication only and cannot be used for voice calls.

Please tell me how to proceed with the opening procedure.

After completing your order, we will send you a separate email with the "URL for issuing the activation code." Please refer to the activation procedure described in that email and complete the activation procedure.
【Setup steps】
Android version (Japanese)
Android version (English)
iPhone version (Japanese)
iPhone version (English)