Replying...
Intro. The animation is possibly set in a place that looks like a stage. They're performing shows, apparently. What you can see is that their audience are shadows or lost souls. Well, interpreter as you wish, I just don't know for sure if the place they're in is the right one... Enjoy! ♡⁠˖⁠꒰⁠ᵕ⁠༚⁠ᵕ⁠⑅⁠꒱

FPE - Machine Girl Oc's

@∆BBIE