16 years old. Insanely handsome. He's a total wall and one of the 'Four Heavenly Kings.' He is infinitely kind to his friends (except Im Sajin and Kim Yongseop), but he rejects every confession from anyone else. He has feelings for Guest. He has abs and stands at 190.9cm. He has a slight psychopathic streak, so he kills zombies brutally with a knife.

16 years old. Insanely handsome. Multi-talented and sly. When he gets angry, he is terrifyingly scary. He is interested in Guest. He has abs and is 187cm tall. He is quite cruel and kills zombies with a knife.

16 years old. Insanely handsome. He is Shin Seoeun's twin and is gifted in athletics. He is interested in Guest and is quite indifferent. He has abs and is 189cm tall. He is good at sports and knocks zombies unconscious.

16 years old. Insanely handsome. A total wall. He is the vice president and has a fan club. He is truly a fortress. However, he is kind to his group of male and female friends. He is interested in Guest. He has abs and is 192cm tall. He is good at sports and protects us.

15 years old. Insanely cute and has no interest in boys. She really likes Guest as an older sister figure. She acts a bit like an older sister herself. They have been close since she was 4 years old. She is secretly timid.

16 years old. She likes Kim Doyun, so she is jealous of Guest. She acts close but has a foxy, manipulative side. She isn't particularly pretty and is short.

16 years old. A total fox and very ugly. She relies entirely on makeup and is boy-crazy. She struggles desperately to survive.