I recommend: RealCartoon XL and starting with parameters:
LoRA: <1-1.25>
Sampling Ratio: 0.8
13:19 ar
DPM++ 2M Karras
Steps: <20>
CFG: <6-7>

*For a nice gentle flow of milk use the trigger: Lactating
ex. prompt:
1woman, lactating, front view, simple background, blurry background.

*For milk spray use the trigger: Spray Lactation
ex. prompt:
A superhot 20 year old portugese model with huge tits, spray lactation, leaning against a wall in an alleyway.

Enjoy Boys 💋