karasu-os
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
Sign up
Username
Password
Confirm password
Sign up
Login
Website Closing Notice
×
Karasu-OS.com will be permanently closed on February 08, 2025.
Learn more