Data and Gantetsu continue to fight the Demon Queen Riviere at the bowling alley.  Gantetsu was almost overwhelmed by Riviere’s strength, but Data’s words helped push him to use an ultra EX attack for a come-from-behind victory!  They successfully won the battle against Riviere and Demera but there’s no time to celebrate; the Demon King Mus suddenly appears!
There is no such thing 
as a lame Oreca battler!