01Get noticed

King Slime

Rohto Pharmaceutical × Dragon Quest

Rohto Z!

  • Medicine & health
  • Products & packaging

Check the situation at the time of publication

YataLogic’s analysis

The key point of this case

Fans of the game intellectual property discover the product at drugstores, and the container remains in their possession.

From official information

Officially documented uses

  • Released in a limited-edition King Slime-shaped container with special packaging.
  • After selling out, a limited-time made-to-order rerelease was announced in September 2026.
See the official sources used ↓

Roles identified by YataLogic

The character’s job

Fans of the game intellectual property discover the product at drugstores, and the container remains in their possession.

Application ideas from YataLogic

How could another business apply this?

Create limited packaging and joint posts with a nearby business.

Where is it used?

  • • Released in a limited-edition King Slime-shaped container with special packaging.
  • • After selling out, a limited-time made-to-order rerelease was announced in September 2026.

What could you measure?

These are example measures for your own application, not reported performance figures from the featured company.

  • New contacts
  • Advertising recognition
  • Correct brand identification
  • Character awareness

Sources

Source checked: 2026-09-01

Status documented in the source: 2026 / limited time

Consider your own business

What job could a character do for your business?

Found a relevant example? Identify your current challenge and the job you would like a character to do.

Apply these ideas to your business

Together, we consider the character’s job based on your business, customers and use situations.

Talk to YataLogic

These cases do not prove effects caused by a character alone. Officially documented uses are presented separately from YataLogic’s analysis of their roles.

Names and trademarks belong to their respective owners. YataLogic has organized these applications from public information; inclusion does not imply a partnership or endorsement by any featured company or organization. Linked originals may be in Japanese or another language.

Visit the YataLogic website
← Back to all case studies