The Undertaking of Hart and Mercy

Hart is a marshal, tasked with patrolling the strange and magical wilds of Tanria. It’s an unforgiving job, and Hart’s got nothing but time to ponder his loneliness.  
Mercy never has a moment to herself. She’s been single-handedly keeping Birdsall & Son Undertakers afloat in defiance of sullen jerks like Hart, who seems to have a gift for showing up right when her patience is thinnest. 
After yet another exasperating run-in with Mercy, Hart finds himself penning a letter addressed simply to “A Friend”. Much to his surprise, an anonymous letter comes back in return, and a tentative friendship is born.  
If only Hart knew he’s been baring his...