Zombies + supernatural abilities + descent into darkness + no harem + no System + villain-focused + decisive and ruthless, no saintly hero
The apocalypse arrived, and zombies ran rampant. I escaped the zombie horde, but not the twisted side of human nature. In a damp, dark room, I watched my hands and feet bound with ropes as the horde drew ever closer. Their chaotic footsteps sounded like the final notes of a requiem.
“Heh, what a miserable life.”
Do you think I hate them?
No!
I hate my own helplessness!
I slowly closed my eyes and waited for death.
“Bang!”
As the glass shattered behind me, a sharp pain struck the back of my neck.
At the same time, a voice rang out in my mind.
[Biological chip successfully implanted]
And with that, the wheels of fate began to turn.