Style on the Soviet cartoon "Hedgehog in the fog"/"Ёжик в тумане" (1975).

For Krea 2:
Start prompt: ezhk, animated film
Add fog or thick fog tags for more effect.
Recommended strength of LoRA 0.8-1.0

For flux:
Sampler: deis
Scheduler: beta
Distilled CFG Scale (Guidance): 2.5-3.5
Steps: 30-40
LoRA strength: 0.95