Trained on 14 images of Kazuya from the anime Shattered Angels
ILLUSTRIOUS:
STRENGTH/WEIGHT: 1.0
SD1.5:
STRENGTH/WEIGHT: 0.85 or lower
If you want his original colors put red hair and yellow eyes in the prompt.
White theme might help produce his mainly white outfit (black and gold for the rest).
May produce landscapes if you stretch the resolution too much or add wide shot.
There are certainly limitations and it's not always guaranteed to work out.
PROMPTS
Negative:
Short hair
Out of frame
White background/Simple background
Capelet (or add it to the positive prompt for outfit/random chance at long hair)