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Manga Adaptation — Volume 1 on Sale September 9 (Japan)

Return to Shironagasu Island · published 18 Aug 2026, 07:33 UTC

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Thank you, as always, for supporting Return to Shironagasu Island.

The manga adaptation currently serialized in Kodansha's Bessatsu Shonen Magazine gets its first collected volume on September 9, 2026.

Art: Muratan / Original story: Hyogo Onimushi

An invitation to "Shironagasu Island", found hidden in a millionaire's will. Ikeda Sen, a private detective working in New York, sets out for the island together with Izumozaki Neneko — a girl with a perfect memory. What awaits them is a series of bizarre murders. Solve every mystery and escape the cursed island. Volume 1 covers the opening of that story.

Characters

The twelve people gathered at the island mansion "Louis Associer", shown with panels from the manga. (3 images)

Details

Title: シロナガス島への帰還 (1) / Return to Shironagasu Island Vol.1
Release: September 9, 2026
Price: 792 JPY (tax incl.)
Publisher: Kodansha / KC Deluxe
Format: B6, 192 pages
ISBN: 978-4-06-545008-6
Art: Muratan　Original story: Hyogo Onimushi
Please note: this edition is in Japanese only. No English edition has been announced at this time.

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Community31 Aug 2026Our Free Pomodoro App TABIPOMO Is Out Now on iOS / AndroidThank you, as always, for supporting Return to Shironagasu Island. TABIPOMO - Pomodoro for Creators - is a Pomodoro timer app in which Izumozaki Neneko, the heroine of Return to Shironagasu Island, fully supports your creative work. It is available now for iOS and Android — completely free. What is TABIPOMO? A focus app built around the Pomodoro Technique: repeating cycles of focused work and s…Major update7 Jul 2026Mac Version Now AvailableThe Mac Version Is Now Available! You can now play on macOS. Here's what the Mac version offers: - The game window can be freely resized. You can play comfortably in windowed mode even on low-resolution monitors (the aspect ratio is preserved automatically). - Holding Ctrl to fast-forward continues correctly after you select a choice or a point-and-click hotspot. - Steam achievement unlock noti…Community5 Apr 2026Sequel "Distant Circular World" Coming Soon!The sequel to "Return to Shironagasu Island," titled "Distant Circular World," is coming soon to Steam. Two protagonists—a private detective in Brooklyn New York and a Japanese high school girl with perfect memory living in a rural town—whose stories unfold simultaneously through a "Zapping System." They chase a mysterious time-rewinding device and a conspiracy involving the organization "Babyl…

Manga Adaptation — Volume 1 on Sale September 9 (Japan)

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Manga Adaptation — Volume 1 on Sale September 9 (Japan)

Characters

Details

Where to buy / Learn more

Related

Other announcements