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A Party for You (Prelude)

Nightmare

27 June 2020 – 10 July 2020

Duration: 13 days

Rewards

Queen of Jealousy

Through the Camera Lens

Piano Timbre for You

Choosing a Present

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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