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Festival Nights

Nightmare

23 August 2021 – 5 September 2021

Duration: 13 days

Rewards

Cat Masks and Ramune

A Night to Remember

Yo-Yo Fishing Champ

Aim For My Target

Demon Cards

Website Closing Notice

Karasu-OS.com will be permanently closed on February 08, 2025.Learn more

Karasu OS is a web resource created by fans. Creators of the website are not in any way affiliated with NTT Solmare Corporation. All characters, illustrations, and game content are copyrighted work exclusively belonging to NTT Solmare Corporation.

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