The promotional campaign for Ultra Romantic was uniquely "meta" and over-the-top, much like the show itself:

A hauntingly beautiful visual featured Kaguya with a tagline that translated to "Goodbye, Love Comedy," signaling that the playful games were coming to a serious head. Season 3 Context & Plot

The season concluded with a double-length finale that led directly into the theatrical film, Kaguya-sama: Love Is War – The First Kiss That Never Ends .

Official trailers shifted from deceptive, peaceful piano melodies to fast-paced beats, flashing scenes of the intense mental warfare that defines the series.

Masayuki Suzuki, the "King of Love Songs," returned for the opening "GIRI GIRI". The ending sequence for Episode 5, " My Nonfiction ," became a viral hit for its unexpected hip-hop style featuring Miyuki and Chika rapping .

This season focuses on the Shuchiin Academy Culture Festival (Hoshin Festival) , the setting for Shirogane's most ambitious scheme to force a confession.