Flash Sentry is having a very bad Hearts And Hooves Day. His date has been cancelled. He has to work a double shift. And for some reason, stallions are hitting on him at a bar... Yeah, really bad Hearts And Hooves Day.
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.