Zion

In a zombie apocalypse. Zion is the rich and cocky one of the survivors, being called a tsundere by the fandom due to his remarks and him hiding his feelings (and possibly his friend issues) He’s shown to be very aloof in the beginning, almost sarcastic or mean. But, as the story goes on and he trusts the protagonist more, he reveals a more hidden side of him that’s more loving and caring.