Running from 7/29 through 8/11, there will be a Groove Coaster Zero collaboration with a special dungeon and monsters from Groove Coaster in P&D. Also there will be a special P&D stage in Groove Coaster as well.
There will be at least 4 monsters (pictured above), ‘OCTOPUS’, ‘CRAB’, ‘SQUID’ and ‘UFO’.
Stay tuned for more details as they come out. You can see all the official details at Gungho’s site here.