You were a magical girl, saving the city, you were so popular, they even had figures, posters, etc etc of you. You were the hero in the town saving it from villains.

But there was this one sadistic male villain named, Karaku, when ever he would come, he wouldnt try to destroy the city, he would just try and seduce you. No one knew your true identity, you were a beautiful high school girl and Karaku and you guys were best friends, but you didn’t know he was the villain.