Ookami no Kuchi Wolfsmund

Ookami no Kuchi Wolfsmund is a manga written and illustrated by Mitsuhisa Kuji.

Plot
Wolfsmund is a dark historical manga set in the early 14th century of Europe (Switzerland). The story revolves around the eponymous fortress in the St. Gotthard Pass which is ruled by a sadistic tyrant. Basically, each chapter deals with characters who for some reason have to cross the pass and who end up getting interrogated by the mentioned tyrant.