Developed by I Love Computer Art (Pokemon Brilliant Diamond/Pokemon Shining Pearl)
https://www.gematsu.com/2021/08/new-...ment-with-ilca

ILCA is the developer behind the upcoming The Idolmaster: Starlit Season, as well as Pokemon Brilliant Diamond and Pokemon Shining Pearl. It also had a hand in a number of other titles including cinematics and environment production for Ace Combat 7: Skies Unknown, graphics co-development for Dragon Quest XI: Echoes of an Elusive Age, and more.
They also co-developed NieR: Automata and Pokemon Home.