(Stockpiling supplies - bargain hunting - nonhuman - zombie girl conquest - zombie girl with an unhealthy attachment)
I survived the apocalypse alongside an old classmate for four years.
They became pillars of their stronghold.
Meanwhile, I was still a bottom-tier scavenger in the shantytown, until I found something at the edge of a cliff... a zombie girl in a deep slumber?
The System told me that a great victory comes at the cost of countless lives! Getting close to the zombie girl lets me absorb corpse energy and grow stronger.
So I secretly brought her back to the shantytown and held her in my arms every night as we slept.
Only later did I discover that she had been awake the whole time...