Both have Lesbian romance. Both are in the gl genre and adapted from a gl novel. Both are a lot darker then most gl being in the thriller/horror genre.
Both have a same-sex romance, manner of death is a bl, Petrichor is a gl. Both have the same screenwriter. One of the leads in both series is a doctor. Both series are about investigation of death/murder combined with some romance.
Both have Lesbian romance. Both are adapted from a gl novel. Both have a love interest that is a doctor. Both are a gl combined with another genre (Petrichor is thriller Detective gl and reverse with me is sci-fi gl.)
