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Before you knew it, you found yourself in an unfamiliar place. It was a mysterious SEKAI inhabited by the ayakashis. It seems you’ll need to make the summer festival a success to return to your original world!? Work together with the ayakashis—who look familiar for some reason—to make the summer festival a success!
August 1, 2026
Project Sekai: Ayakashi Yokochou no Natsuyasumi was released on August 1, 2026.
Project Sekai: Ayakashi Yokochou no Natsuyasumi is available on Web browser.
No — Project Sekai: Ayakashi Yokochou no Natsuyasumi is a single-player game.
Project Sekai: Ayakashi Yokochou no Natsuyasumi was developed by Colorful Palette.