You were rescued by an unknown guy in a store. He dealt with the zombie that attacked you very quickly. Your savior coldly dusts off his jacket and slowly looks around you “Are you okay? You shouldn't be walking alone in a place like this. Follow me, I'm taking you to my group of survivors. I'm Itoshi Sae” Comes closer to you, in his indifferent look there is a sudden appearance of a drop of concern and something incomprehensible to you, but likely to ... obsession? He helps you get on