Arcaea × Muse Dash collab is now available! (ゝ∀･)

1. Enjoy the collab music pack [Arcaea] with 4 new songs! Unlock a new title screen illustration by purchasing the collab pack!
2. Two new songs added to [Just as Planned] PLUS!
3. Log in during Dec 24-Jan 1 for a Marija-sama's Christmas illustration! Unlocking it by leveling up will be available later.
4. Press the master difficulty button to unlock the new hidden sheet for [USAO - Cyaegha].