I feel that this black hair guy has feelings for MC for a long time, then this black hair guy knows that there will be a zombie apocalypse so he is doing his best to protect this mc because I think something bad will happen to him (just like what was shown in the flashback of the black hair guy)
I feel that this black hair guy has feelings for MC for a long time, then this black hair guy knows that there will be a zombie apocalypse so he is doing his best to protect this mc because I think something bad will happen to him (just like what was shown in the flashback of the black hair guy)