Official trailers shifted from deceptive, peaceful piano melodies to fast-paced beats, flashing scenes of the intense mental warfare that defines the series.
Released in late 2021, this nearly 10-minute "teaser" wasn't just a trailer; it was a full adaptation of Chapter 110 of the manga. It features Ishigami and Shirogane obsessing over a fictional manga's anime adaptation—a direct nod to the fans' own anticipation for Season 3.
The promotional campaign for Ultra Romantic was uniquely "meta" and over-the-top, much like the show itself:
This season focuses on the Shuchiin Academy Culture Festival (Hoshin Festival) , the setting for Shirogane's most ambitious scheme to force a confession.