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Otaku Panic

Nightmare

31 July 2021 – 14 August 2021

Duration: 14 days

Rewards

Belphie Goes to C.S.!

Beel Goes to C.S.!

Let's Write a Novel!

Steal the King's Treasure

King of The Dessert

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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