This is not my model to begin with, you can find it here.
https://civitai.com/models/1590289/milf-oyakodon-yuko-akiyama-and-fumika-akiyama-pepper0-family

Base model > Illustrious, Pony (maybe others)
Usage tips > Clip skip 1, Strength 1 (feel free to change strength value if needed)

Trigger words:

Yuko Akiyama : milfyuko, short hair (alt: scrunchie)

Attire: wedding lingerie

Fumika Akiyama: milffumika, long hair

Attire: school uniform

Negative prompts: text, text bubbles, English text, monochrome