Today, film historians view Myrna Castillo’s work through a lens of and cultural preservation .

Despite their modest production values, Pinoy Pene movies quickly gained popularity among Filipino audiences, who were drawn to their relatable storylines, memorable characters, and catchy musical numbers. The genre's success can be attributed to its ability to tap into the country's rich cultural heritage, showcasing the beauty and diversity of Philippine culture to a wider audience.

However, it was her transition to Pinoy Pene movies in the early 1980s that catapulted her to stardom. Castillo's willingness to push boundaries and challenge social norms made her a darling of the Pinoy Pene movie scene, and she quickly became one of the most sought-after actresses in the genre.

“No, no,” Jimmy whispered, lowering his voice. “The ‘Pene’ market. The guys in the provinces. They want… you know. After the fight. A sabunutan (hair-pulling) with the other girl. And then… a silya scene.”

“What kind of ending, Jimmy? Rosa already throws the police chief off the pier. That’s justice.”

: Reflecting the genre's tendency to adapt international adult themes.