Lucia from Lunar: Eternal Blue. Trained on Pony Diffusion V6 XL. Tested at 0.8-1.0 strength.
Trigger word is "l2Luc" and "blue hair, long hair, blue eyes" is required.
Add "hairband, pendant, off-shoulder shirt, white shirt, long sleeves,bare shoulders, orange shawl, red shorts" for her typical look.