Yeongchan High[]
Hyeonseok Kang[]
Hyeonseok Kang was the vice president of Class 1 in Gyuhwan's class. He was killed by a Variant at some point. His body was discovered by Shinyeong Kang and Gyuhwan Han, the former testing out Venom on his body.
Screaming Student[]
The Screaming Student was an unnamed student who was one of Gyuhwan's classmates who turned a blind eye to his bullying. Although he felt bad for him, he did nothing to help.
He is seen among his classmates getting angry at Gyuhwan for making them do more jumping jacks. He is later seen singing at the school's talent show.
After the Variants attack during the talent show, he stays behind in the lounge with Director Lee, Ms. Kim, Jongpil, Ms. Ahn, Seonyeob and an unnamed girl, while Gyuhwan's group goes out. Unfortunately, after seeing Five outside, he gives their position away by screaming. Five attacks the unnamed girl first, then asks who the screaming student was. Five recognizes him then snaps his neck with her tentacles after saying she hates noisy people like him.
Scared schoolgirl[]
Scared schoolgirl was an unnamed student who was one of Gyuhwan's classmates and turned a blind eye to his bullying. She assumed he deserved it.
She is seen getting bored at the talent shot behind Chanhyeok Park and Sanggwon Ahn. She survives the Variants attack on the Talent Show. When she sees a corpse of a classmate, she instantly vomits, being soothed by Jonpil. When Gyuhwan's group decides to go out for a help, she stays behind in the teachers' lounge with Director Lee, Ms. Kim, Jongpil, Ms. Ahn, Seonyeob and an unnamed boy.
Unfortunately, Five eventually finds their spot breaks through the window. She tries to make a run for the door, but finds herself failing to open. Five insults her for being so scared that she can't even do this basic function. Five piercers her with his tentacles and throws her body through the door.
Rich student[]
He was the grandson of a construction company owner and son of a national assembly man.
He is seen in the bus on the way to retreat. He is later seen holding out a bag for the students to put their phones in, as ordered by their instructor. He is also among his classmates getting angry at Gyuhwan for making them do more jumping jacks.
During the Gym Massacre, one of the variants, 03, calmly asks if anybody is rich. The rich boy raises his hand and explains his lineage, but is unsure why he wants to know. The monster then kills him and says it's because he wants to be rich.
Poor Student[]
Poor student was an unnamed students who glared at Gyuhwan when he counted the last jumping jack. He is killed by Seven.
Yunseok Nam[]
PE teacher[]
He was the gym teacher that was part of the attack of the Variants, and killed by one of them.
Green Roof Apartments[]
Mr. Glasses[]
Mr. Glasses was a character within Sweet Home, not much is known about him, except that he joined other Green Roof Apartments survivors. He was killed offscreen by the Tentacles Monster.
Businessman[]
The Business man was a one-appearance character in Sweet Home, he was one of first human seen victims to be killed off by a monster.
When the man was coming back to Green Roof Apartments after his day from work, he got a phone call and he was discussing stuff about his and the caller's jobs until he got cut off due to a lost connection, when he tried to contact the caller again all he got was a beeping sound. Unknowingly to him, a monster was approaching him from behind but when he turned around nothing was there, only for the monster to appear in front of him, when he looked at the monster he had a terrified look and his phone kept beeping and then the monster killed him and dragged his body away to feast
Starving monster's cat[]
Families[]
Gyuhwan's father[]
Hyun's family[]
Mr. Lee[]
Sangjin Kim's family[]
Sook and Yeong's father[]
News Members[]
Other[]
Minho[]
The president[]
The President is one appearance character and minor character within Sweet Home, he shown signs of Monsterization during his warning message about the Apocalypse. He was killed offscreen by the South Korean Military.
Zero's gang[]
Zero's shelterers[]
Unnamed variant[]
The unnamed variant (supposedly 02 or 06) was one of the Variants involved in the attack on the Yeongchan High retreat. It was quickly shot to death by Gyuhwan Han.
During the talent show, it is present with the other Variants. When 05 announces and begins her genocide, it and its partners block off the students' escape.
During the attack, they are interrupted when Gyuhwan enters with a shotgun. The variant immediately insults him and then prepares to kill him, but is then shot in its shoulder. It slowly succumbs to the venom, asking where Gyuhwan got the gun, before dying and turning into a clump of flesh on the ground.
Yansu Yi[]
A friend of Mira's.
Bora Kim[]
A friend of Mira's.
Hanuel Kim[]
A friend of Mira's.
Chayeon Yoon[]
A friend of Mira's.