The main characters include Cheong - san, On - jo, Su - hyeok and Nam - ra. They play important roles in the fight for survival during the zombie outbreak.
In the full story of 'All of us are dead', the main characters are a group of students. Cheong - san is a very determined character. He doesn't give up easily and is always thinking about the safety of others. On - jo is a kind - hearted girl who tries to keep everyone's spirits up. Su - hyeok is athletic and uses his physical abilities to their advantage in dangerous situations. Nam - ra has an interesting arc as she has a connection to the zombies in a way that is gradually revealed. There are also other characters that interact with them, like their classmates and teachers, but these four are central to the story's development.
There are several main characters in 'All of us are dead'. Cheong - san is one of the key ones. He is brave and tries his best to protect his friends. On - jo is another important character. She is often a source of hope among the group. Su - hyeok is also a main character, he is quite resourceful when it comes to finding ways to survive. And Nam - ra, she has some unique developments throughout the story which are related to the virus and the zombies.