This has nothing to do with the Seven Deadly Sins anime. This isn't a cross over. This is something I got from a Tumbler writing prompt. More information inside.
Shimmering Diamond Detective Agency receives another missing persons case. These rarely involves more than a few phone calls to find out the person just went no contact with the client, but this one's a bit different.
During a trip to Sunsetbits, Pinkie's hot chocolate and Sunset's six shots, post all nighter espresso get switched, and now, they have to chase down an over caffeinated sugar superhuman.
Our heroes came together, defeated Sunset, and freed the school, but something happen that has left the city void of animal life, except for the seven magical girls with wings.