Táng Nghi Sư bất tử

[This is a story where the hero kills the princess.]

In a world where the dead devour the living, it is a great honor to become an "Undertaker", beings whose mission is to grant peace to the dead and return their souls to heaven. Advancing to the final stages of the exam, an apprentice, Leon, encounters a panicked girl while on a train to the capital…?!