Complex, flawed characters →multifacetedcharacters.
The next phrase is "has gained popularity in recent years." I need synonyms for "gained popularity." Options might bebecomepopular. Ruthless-Yuri-
"Intense, dramatic storylines" might become "intense, dramatic storylines" as "intense" can bepassionate, and "dramatic" could be melodramatic|emotional|over-the-top, but the original says "dramatic" so maybe keep it. Complex, flawed characters →multifacetedcharacters
"Complex, flawed characters: Ruthless-Yuri- stories often feature characters with troubled pasts, complex motivations, and morally ambiguous personalities." Here, "complex" can bemysterious. "Flawed characters" can betroubled. "Troubled pasts" could bepainfulpasts. "Morally ambiguous personalities" might be ethicallyuntrustworthy. dramatic storylines" might become "intense