Orenowakuchindakegazombieshitasekaiwosukueru -

The world was broken. Half its people had been puppets for three months. But Ren stood in a field outside Osaka, surrounded by a crowd of the saved—scars on their wrists where they'd tried to chew through their own flesh, tears on their cheeks.

His fate changes when a brilliant scientist named breaks into his home. Sunny has developed a vaccine that can reverse zombification, but she has already been bitten. In a desperate move, she injects the vaccine into Yu’s body—specifically into a "sensitive" area—granting him the unique ability to produce the cure within his own body. The "Unique" Cure

But the newly freed people—former zombies—still had their implants. Corrupted, yes, but connected . Ren sent a final update through his vaccine's carrier prion, piggybacked onto the second vaccine. Every freed zombie became a node in a mesh network. They overwrote the towers' command protocol with Ren's neural reset signal. orenowakuchindakegazombieshitasekaiwosukueru

The premise immediately establishes a stark dichotomy between the protagonist and his environment. The "Zombie World" represents the ultimate dehumanization. Zombies are, by definition, creatures of pure id and appetite, devoid of reason, communication, or social structure. They are the physical manifestation of chaos and the breakdown of civilization. Into this cacophony of mindless groaning, the protagonist enters with a single, unique ability: his "mouth." Whether this ability manifests as supernatural persuasion, a hypnotic voice, or a literal consumption of the virus, it serves as an extension of human intellect and connection. The title suggests that the hero does not conquer the world through force of arms, but through the distinctively human trait of communication.

"My mouth is bad, but I'll save the zombie world." The world was broken

In a desperate bid to save humanity, Ore and the scientists came up with a plan. They would use the serum to create a new generation of kuchindaketa, ones that would possess Ore's enhanced abilities but retain their human memories and emotions.

Here’s a draft review for the light novel or web novel titled Ore no Wakuchin dake ga Zombie Shita Sekai o Suku eru (roughly “Only My Vaccine Can Save a World That’s Become Zombie”). Since this is a niche title, I’ve written a general template you can adjust based on your actual reading experience. His fate changes when a brilliant scientist named

The catch? The synthesis requires a catalyst found only in the subglacial lakes of Mount Asahi. And the bonding agent degrades every 72 hours.