https://civitai.com/models/1972590/reginn-fire-emblem
Reginn from Fire Emblem Heroes
Trigger Words: reginnfe1, blue hair, ahoge, ponytail, yellow eyes
Default: reginndef, jewelry, bodysuit, purple cape, cleavage, black gloves, tail
New Year: reginnnyr, hair bow, fur trim, kimono, japanese clothes, wide sleeves, obi, black footwear
Aided: reginnaid, goggles on head, goggles, cape, armor, purple jacket, bodysuit, belt, gloves, tail, boots
Her tail can be a bit tricky to get right, you can use negative prompts live "blue tail", also be aware her aided version has little training data, so it can be inconsistent.
