The romance in The Ballad of Songbirds and Snakes will put a darker tone on Katniss and Peeta’s story. The prequel to The Hunger Games is set to hit theaters in November 2023 and will expand upon the original Hunger Games trilogy's main story, which focuses on heavy themes of war, ethics, and politics. However, the secondary storyline is the romance between Katniss Everdeen and Peeta Mellark. The arc of their relationship goes from faking a romance to survive to truly falling in love with one another. The prequel's story is the origin of Coriolanus Snow and how he mentored the first female victor from District 12 in the 10th Hunger Games.
https://screenrant.com/hunger-games-ballad-songbirds-snakes-katniss-peeta-change/