Jinna Amakura, initially a typical penny-pinching high schooler, had a brush with death that drastically altered his fate. He miraculously survived, earning him the label of a "Soul Irregular" by those in charge. Enter Nagi, a rookie Grim Reaper tasked with taking Jinna's life and returning his soul to the natural cycle of existence. Failure means being transformed into her favorite treat and consumed by the Angels of Death's head honcho. Despite the stakes, Nagi's job gets complicated by her burgeoning friendship with Jinna. The ramifications of this unconventional bond on her superiors is yet to be seen.