These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: I Am A Hero
Crowning Moment of Funny: Some people have trouble killing their undead friends. Mitani beats the tar out of them while venting all the complaints he had about them in life.
Moe: Hiromi. She's just so sweet and shy! Even as a zombie!
Memetic Badass: Kurusu. The original one. It is through his influence that many of the neets and shut-in not only survive, but band together to try and fight against the zombies.