Cards
Events
Surprise Guest
Tools
Devil's tree tracker Team builder
ask karasu
Devil's tree rewards Card unlock items Majolish cards Skill charging time Card skills
calculator
Pop Quiz Points Cheat Card Bonus Lonely Devil AP Recovery
Misc.
Rankings Card pages Icon pages

Light
Dark
Sign up
Login

The Rumored Substitute Teachers?!

Nightmare

26 September 2024 – 10 October 2024

Duration: 15 days

Rewards

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.

This site uses cookies to improve user experiences. See our Privacy Policy for more information.

Official Links

Official Website
Facebook
Twitter
Instagram

Communities

Obeymewiki.com
Fandom Wiki
Subreddit

Contact Us

Twitter
Discord

Language

Thanks to our amazing supporters, we're now an ad-free site!
If you'd like to continue supporting us, please consider making a donation using the button below :)

Made with by Laele and char