Premieres January 2025. The new PV is here. Check out the Crunchyroll article for additional information. Synopsis from AniList:

MOMENTARY LILY follows the daily lives of six High School girls surviving in a world ravaged by otherworldly invaders. Cooking together, battling mechanical monstrosities with their iconic weapons, and uncovering the secrets of their mysterious past and world, all of these moments and more will appear in GoHand’s one-of-a-kind visual style!