Here is an overview of the game, via its Steam page:
Step into the pixelated world of TEVI, an action-packed 2D adventure that seamlessly blends Metroidvania, bullet hell, and spectacle fighter elements. Traverse a vast interconnected world marked by strife and uncover hidden secrets. Encounter a diverse cast of allies and enemies featuring angels, demons, and cute animal ears. Upgrade gear and collect new ones to enhance your abilities. Customize your build to suit how you want to play. Slash, dash, shoot, and execute flashy combos to vanquish bosses in epic showdowns.
In celebration of the announcement, CreSpirit and GemaYue will also release TEVI collaboration downloadable content for Rabi-Ribi featuring crossover outfits for Erina and Ribbon. The Steam page does not list a release date.
Watch the announcement teaser trailer below. View the first screenshots at the gallery.
Announce Teaser Trailer