This LoRA is designed to reproduce her signature face, sleepy eyes, and overall appearance while keeping flexibility for poses, outfits, and backgrounds.

If necessary, include:
slightly narrowed eyes, slightly smaller eyes, simplified eyes, soft cheeks, soft jawline, slightly wider face, simple facial features, minimal nose, petite

Maybe it's a different version?
izumi konata Lucky☆Star-illustrious - v1.0 | Illustrious LoRA | Civitai