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Nightmare

5 November 2021 – 18 November 2021

Duration: 13 days

Rewards

Princely Struggle

Princess Asmo's Escape

Satan the Otaku?

Sleep Is Strength

Demon Cards

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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