Dramas like Behind the Door

Each candidate earns 3 points per trope it shares with Behind the Door, 2 for a shared genre, 3 for the same studio and 1 when both are live on the same app. A match counts as strong at 6 points or more;24 of these 24 are strong. The reason under each title comes from those shared facts, and only complete records are considered.

Every formula is published on the editorial policy page.