A predicted acid rain caused zombies to become rampant overnight.
He didn't have anything to stock up on, and he was stabbed in the back by his roommate and pushed towards the zombies.
Timing almost thought that his life was over.
But he didn't expect that the drink he drank before the end of the world turned out to be virus antibodies.
This gave her the ability to heal herself.
The scientific researchers who came to the door said, "There are four more antibodies like this. If you drink them all, you can save mankind."
Where did the middle school boy come from? He didn't care about timing and just wanted to find his sister.
Until one antibody after another appeared...
(The end of the world, super powers, no hoarding, there is a male protagonist, both strong, the female protagonist is not a virgin and has a growth type)