Can't explain too much without spoiling stuff, but both dramas are about normal people and how interacting with murderers changes them. They give off similar, suffocating and dark vibe.
Based on a highly popular webtoon, “Strangers from Hell” tells the story of Yoon Jong Woo, an aspiring novelist who moves to Seoul and unexpectedly finds himself caught in a hell created by other people.
"Anata no Ban Desu" is not as creepy and scary as "Strangers from Hell" but they both take place at a residence where murders happen and mysteries have to be solved.