Shimanami Kaido's Mystery Solving Trip - Letters and Voices Echoing in the Sea - Local Flyer Distribution Now Available! (From March 31, 2025)

It seems the mystery left behind by my father
can be solved on the Shimanami Kaido!

for the local version of Shimanami Kaido Mystery-Solving Journey - Letters Woven with Feelings and Voices Echoing the Sea - for free at three roadside stations on the Ehime side of the Shimanami Kaido: Oshima, Hakatajima, and Omishima . Those who solve the mystery of the father will be entered into a monthly lottery for a prize! You can visit just one island, but if you visit two or three islands, each one will have a different big mystery and ending. Feel free to give it a try!

Flyer distribution locations

Once you get the flyer, try to decipher the mystery left behind by "My Father." The mystery left behind by my father can be a little difficult...
In that case, scan the access QR code for your partner "I" on the flyer and try to solve the mystery of my father together with "I" ♪ There are many mysteries scattered around...

• Will the day come when I can be reunited with my father?
• Why did "my father" suddenly disappear 10 years ago? And where did he go?

By the way!! Have you completed the prequel (web version) of [Shimanami Kaido Mystery Journey ~ Letters of Thought and Voices Echoing in the Sea ~]

If you haven't completed the game yet, the prequel and access the story of "me"! You can enjoy the local version even more!

~It's a prologue to say "Welcome home" to you~

Eight years ago, my beloved father suddenly disappeared, leaving me his precious pendant.
Time passed, and I received an envelope from him. Together with "you," I deciphered the mystery of the envelope.
Along with the feelings entrusted to me in the letter, I encountered the awakening and learned the truth of what had happened eight years ago...

overview

• Participation fee: Free
• Event details: March 31st to November 30th, 2025
• Area: Shimanami Kaido, Oshima, Omishima, Hakata Island
• Estimated travel time: 4-5 hours (1 island)
• Flyer distribution locations: Roadside Station Yoshiumi Ikiikikan (Oshima), Marine Oasis Hakata (Hakatajima), Tatara Shimanami Park (Omishima)
• Format: Same-day participation OK, no time or number limit, smartphone required

You can generally travel by car or bicycle, but we recommend traveling by car for those who are not serious cyclists. There are well-maintained cycling paths on the island, but there are quite a few routes with steep ups and downs. There are bicycle rental facilities on the island, so you can come by car and tour parts of the island by bicycle