The Sushi FeatherWing is for use with the Adafruit HUZZAH ESP32 Feather and the slim 640x48 LCDs found in the various dragon, wizard, and fairy magic wand toys.
Boards available at OSH Park: https://oshpark.com/shared_projects/a6137iE9
The required 22-pin, 0.5mm pitch FFC connector is Amphenol part # SFV22R-2STE1HLF, Digi-Key part # 609-4319-1-ND.
I picked Vled and R1 to limit the backlight current to 5mA on my module.