Start date
July 17
The collaboration event begins on July 17, 2026.
Upcoming collaboration
Heartopia x SANRIO CHARACTERS
Cinnamoroll, Kuromi, and My Melody arrive in Heartopia on July 17, 2026. The invitation pre-event starts July 10 and gives you a simple daily check-in route before the collaboration begins.
Starts July 17, 2026Invitation pre-event: July 10
Characters announced
- Cinnamoroll
- Kuromi
- My Melody
Pre-event
Daily invitation
The SANRIO CHARACTERS’ Invitation pre-event begins July 10, 2026.
Schedule note
Check in-game
The announcement gives a start date. Check the live event panel for the complete timetable and end date.
Before July 17
Invitation pre-event checklist
- 1
Log in each day
Open SANRIO CHARACTERS’ Invitation in the event panel during the pre-event window.
- 2
Light the puzzle pieces
Progress the invitation activity through the daily puzzle-piece check-in.
- 3
Claim the listed rewards
The pre-event reward list includes Exhibition Passes and collaboration-exclusive wallpapers.
Event-day plan
When the collaboration goes live
Open the event panel first
Read the current server-time schedule before spending passes or entering a limited activity.
Check your invitation rewards
Claim completed puzzle rewards so they are available for the collaboration content.
Visit the exhibition
Use the in-game navigation entry for the Speciality Exhibition once it is unlocked.
Save your event details
Use My Progress for collection checklists and keep screenshots of event-specific requirements.
SANRIO collaboration FAQ
When does the collaboration start?
Heartopia x SANRIO CHARACTERS begins on July 17, 2026. The invitation pre-event begins July 10.
How do I use the invitation pre-event?
Log in daily, light the puzzle pieces, and claim the listed Exhibition Pass and wallpaper rewards from the activity.
Optional paid content
Planning to buy collaboration items?
Compare payment routes before purchasing packs or Heart Diamonds. Confirm the live event shop, account, region, server, and checkout total first.