Celestia has made a bet with the current Demon Lord and now the Elements and Spike, led by Princess Luna must face Rias Gremory and her servants in a Rating Game to determine the Strongest Little Sister. High School DxD Crossover.
Bad things happen. It's a fact that Trixie has accepted. A bitter fact, true, but a fact nonetheless. But transported into another world out of the blue might seem a bit too much, she thinks.