A formidable necromancer dubbed the Corpse God perishes in a famed clash, only to awaken as Polka Shinoyama, a boy reborn amid contemporary in Tokyo today. During his efforts to adjust to the sensations of a mortal body, he draws the scrutiny of numerous groups that meddle with the unseen everywhere. Among those is Misaki Sakimiya, a perceptive high‑school girl who can see spirits and instantly desires his blood from their first encounter. Seeking answers to why enemies hunt him, Polka eventually crosses paths with Takumi Kuruya—a surveillance and hacking specialist—alongside Lisa Kuraki, a formidable crime lord who rules the Shinjuku underworld in the neon‑lit streets of Tokyo. With these, and other allies, Polka confronts peril to unveil the truth of his rebirth and the destiny that grips the world he now inhabits today.