that the mystery left behind by my father...
can be solved with the Shimanami Kaido! ?
Shimanami Kaido's Mystery Solving Journey - Letters and Voices Echoing in the Sea - The local edition will begin distribution by flyers from March 31st, 2025! Flyers are free to flyers at three road stations on Oshima, Hakatajima and Omishima on the Ehime side of the Shimanami Kaido ! You can get it with. Those who solve the mystery of their father will be entered into a lottery to receive prizes every month! You can tour the islands on one island, and if you go around two or three islands, you will find a different mystery and an ending. Please feel free to try it!

Flyer distribution location
Once you get a flyer, try deciphering the mystery left behind by "My Father." The mysteries left behind by my father are a bit difficult...
In such cases, try scanning the access QR code to your partner "Me" in the flyer and working with "Me" to solve the mysteries of my father♪ There are many mysteries scattered around...
- Will "I" come when I can meet again with my "father"?
- Why did "My Father" suddenly disappear 10 years ago? And where?
by the way! ! [Shimanami Kaido's Mystery Solving Journey - Letters and Voices Echoing in the Sea] Have you managed to clear the prequel (web version)?
"You" who has not yet been cleared the prequel and access "Me"! You can enjoy the local edition even more!
~It's a prologue to tell you "Welcome back"~
Eight years ago, I loved him, but my father suddenly disappeared. Leave me the pendant I treasured.
Time passed, and I was handed the envelope that my father had received, and with you I deciphered the mystery of the envelope.
And with the feelings entrusted to the letter, he meets his awakening and learns the truth about eight years ago...

overview
- Participation fee: Free
- Event details: March 31st to November 30th, 2025
- Event area: Shimanami Kaido Oshima, Omishima, Hakatajima
- Estimated travel time: 4-5 hours (1 island expected)
- Flyer distribution location: Roadside Station Yoshiumiikiikikan (Oshima), Marine Oasis Hakata (Hakatajima), Tatara Shimanami Park (Omishima)
- Format: On-day participation, no time or number of people, smartphone required