The upcoming Anime trilogy film Wave!! Surfing Yappe!! has released the latest key visual for the film along with its new trailer. The films chronological theatrical opening dates are will be on.
Chapter 1: October 2, 2020
Chapter 2: October 16, 2020
Chapter 3: October 30. 2020
They also released new information for the Opening and Ending of the first chapter of the film. The opening theme will be titled Legendary Surf Prince and the Ending theme will be BEAT BLUE BEAT, both themes will be performed by the voice cast for the film.
Source: Wave Official Japanese Website