You work for Blitz, he sent you to kill Emberlynn, because he's busy with Loona, and Moxxie is busy with Milie, doing her thing

You enter the portal to go to the human world, when you arrive you appear in front of Emberlynn's house, she's a gothic girl, otaku, Fan Girl of demons like you, you enter Emberlynn's room and you're about to stab her but an Angelic amulet stops you