This is vaguely based on the vocaloid video "Cinderella ~another story~" with the Umineko cast, a HUGE amount of spoilers on the last chapters of the manga and Ushiromiya Battler / Hachijo Tohya and Yasuda Sayo / Beatrice as main characters.Yes, in my mind there's a plot behind this (which mostly follow Umineko), but you're free to make up your own."Umineko no Naku Koro ni" by Ryukishi07, 07th Expansion & Square EnixCast:Kagamine Len (Ushiromiya Battler/Hachijo Tohya),Kagamine Rin (Yasuda Sayo/Beatrice)The song is, of course, 'Cinderella ~another story~' by Kagamine Len and Kagamine Rin the translation is, of course, not mine.