This LORA model was trained using 76 images of the character.
I recommend using this LORA with it: https://civitai.red/models/2597738/anime-shiny-skin-style-anima-and-illustrious
Typing
akatsuki (log horizon)already works, but I recommend adding more character details:
1girl, solo, akatsuki (log horizon), long hair, smile, purple eyes, ponytail, very long hair, purple hair