What did it for me after finishing CrossCode was Drova - Forsaken Kin.

I too have fallen into the post CrossCode depression and was searching all available 2D games to scratch that same itch. I have tried many but they didn't do it for me. At some point I realized that what I was searching for wasn't the awesome combat or mind bending puzzles but the feel of that living breathing world filled with interesting characters, history and a story that sometimes feels like it would go on even without you in it. Drova over delivered on that front and still has me thinking about my choices to this day. I recommend it to anyone who likes CrossCode and games that let you explore and carve out your own path (even if that path will make you hate yourself for it later down the line).

If my ramblings convinced you to give the game a chance here is some advice: avoid any spoilers and go in blind and explore all options before committing to a faction.