Problem Children Are Coming from Another World, Aren't They?

It Seems That a Great Disaster Will Come With the Playing of a Flute (1x8)

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You has her gift game with Ayesha and Jack-O-Lantern and surrenders to it. Afterwards, game sheets drift down from the sky challenging a game with everyone. Since Shiroyasha can't compete in it, she is held captave in a sphere of darkness. The team then meets Weser, Ratten and their boss: Black Percher (Pest). They fight the game and it looks like it will all fail...