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Love and Care

Nightmare

14 April 2021 – 28 April 2021

Duration: 14 days

Rewards

A Kind Demon's Care

Let Me Take Care of You

Demons Catch Colds?!

Sparkling Water Magic

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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