YataLogic’s analysis
The key point of this case
Represent the same basic rule through the eyes, ears and number held in the hand, providing cues for understanding the system.
From official information
Officially documented uses
- Maina-chan is the promotional character for My Number
- The official explanation says the numeral 1 in the eyes and ears represents one number per person, while the 1 held in the hand expresses the wish that people take care of their My Number
- The official page updated in 2026 publishes 2D and 3D images, guidelines and application procedures
YataLogic’s view of the challenge
Which challenge does this relate to?
My Number, the My Number Card, Mynaportal and health insurance use can be confused, leaving even the basic question of how many numbers each person has unclear.
Roles identified by YataLogic
The character’s job
- Turn one number per person into numeral 1 shapes in the eyes and ears
- Represent a number to be handled carefully through the 1 held in the hand
- Provide a common marker for explanations and uses of the system
Application ideas from YataLogic
How could another business apply this?
Connect a system’s most important rule with features such as eyes, ears, hands or possessions.
Where is it used?
Digital Agency’s My Number information page
What could you measure?
These are example measures for your own application, not reported performance figures from the featured company.
- Explain that each person has one My Number
- Distinguish and check the number itself, the card and the services that use it
Sources
- View the official page (opens in a new tab)www.digital.go.jp
Source checked: 2026-09-02
Status documented in the source: Current example