The translation of the subtitle: "Father's Beautiful New Wife is My Ex-Girlfriend" .

Here is an analysis of why this particular title and the "interesting review" stand out:

The title ADN-593 Istri Cantik Baru Ayah Adalah Mantan Pacarku Ria Yuzuki - INDO18 represents a specific entry in the world of Japanese cinematic dramas that explores complex, often taboo-breaking family dynamics. This particular production has garnered significant attention from international audiences, specifically within the Indonesian community, due to its high-concept premise and the participation of the popular actress Ria Yuzuki. The narrative centers on a deeply uncomfortable yet narratively rich coincidence where a young man discovers that his father’s new, beautiful wife is actually his own former girlfriend. This setup serves as the foundation for a story that balances emotional tension, unresolved romantic feelings, and the rigid social structures of a modern family household.

Since you found the review interesting, it likely focused on one of these elements:

Ria’s eyes flickered with a brief, sharp recognition before smoothing into a mask of polite warmth. She extended a hand—the same hand Kenji used to hold during late-night walks through the city. "It’s a pleasure to finally meet you, Kenji. Your father speaks of you often."