Characters

- Kim Haeri: Younger sister of Kim Namjoon, the scientist who has gone missing ever since the outbreak. Just like her brother, she's gifted with intelligence. During the night, she works secretly as a doctor at Seoul Hospital under the name of Junior Yongpal. While Namjoon was the one who caused the virus, she can't help herself but also feel blamed for it. She has a secret crush on Jungkook.

- Jeon Jungkook: Leader of a rebel group, who protests against people like Namjoon. He has a grudge for everyone who is linked with Namjoon, because the virus took away his family. He doesn't know that Kim Haeri is Namjoon's little sister. 
Has a temper and is at times hard to approach because of his rebelling nature.

-Park Jimin: A scientist like Namjoon who's currently trying to develop a cure. He's secretly in love with Haeri. Namjoon and him were best friends, before Namjoon went missing. Jimin is the only scientist that Jungkook doesn't hate.

- Min Yoongi (Suga): A lethargic boy who likes to sleep and is a 911 brother together with Taehyung.

- Taehyung (V): A popular saxophonist who teaches orphans when he's not working.

- Jung Hoseok (J-Hope): He is "the searcher". Recruits children from the street to help and support them at Bangtan House. Children recruited by him will join Jungkook's group later on.

Kim Seokjin (Jin): The mom of Bangtan House. Takes care of the kids and cooks for them.

The virus, or better known as RM Virus is created by mad scientist Kim Namjoon who has gone missing. Infects only people above the age of 18. Extremely contagious through biting and respiration. Symptoms are vomiting , pneumonia, excessive bleeding, and zombie-like behavior, followed by death if left untreated.