To friends, he is known as Issei Hyoudou. To foes, He is known as The Doom Slayer, the one who brutally butchered the armies of hell, and heroically slayed the mighty Titan. But, like many heroes before him, he had a weakness. And that weakness, was his overly kind heart. The same heart that was pierced from behind, by a dagger. A dagger wielded by the one he loved

Tatsumi died saving Chelsea from kurome's puppets. Shortly after his death, Death herself took an interest in him and tasked him with collecting the souls of the wicked, as her new necromancer.

This tale is about a man who was tortured and neglected a good portion of his childhood, only to be sold into slavery by his own parents. After years of working the danger beast infested mines and killing his fellow inmates for the sick pleasure of staff that work the labor camp, and his one way ticket out of that hellhole presented it self in the form of the prime minister.