1 Demsal
12 Episode
해피니스
- Sal: 2021
- Welat: South Korea
- Genre: Drama, Mystery, Sci-Fi & Fantasy
- Studio: tvN, TVING
- Keyword: survival, apocalypse, zombie, disease, apartment building, illness, zombie apocalypse, virus, fake marriage, slow burn romance, apartment
- Serek: Han Sang-un
- Avdan: 한효주, 박형식, 조우진, 이준혁, 박주희, 백현진