Based on servant of evil. Song 2 in the story of evil. Beware it is a certain part of the song. Use [MMD] Servant of evil by Mizuki12341.

The stray heartbroken angel... Wandered in a town at dusk... And came across a girl With beautiful eyes... At the moment their eyes met... The pathetic angel fell for her... As the forbidden feelings grew inside her... She opened Pandora's box...