Demri Parrott was a significant figure. She was part of the grunge scene. She was in a relationship with Kurt Cobain before Courtney Love. Demri had her own struggles with drugs and the hard lifestyle that was prevalent in the Seattle music scene at that time.
Honestly, I don't think there's a clear link. The Panama Papers are about financial secrecy and wrongdoing, while Comic Sans is just a font. It's possible someone might have used Comic Sans in presenting or discussing the Panama Papers, but that seems like a stretch.
Overall, the differences in the 'ookami shoujo' manga and its adaptations are minor. Maybe some character designs are slightly tweaked or a few plot points are presented differently for better visual storytelling, but the core story remains the same.