Artist is Ichikawa Noa

character description (VNDB):

The mother of the protagonist (Shingo). She's a rough-and-tumble person, but she cares for Shingo, hence why she's so strict with him. With a rejuvenated body, she wants to enjoy her youth again.

weight: 0.8-1.0 (lower if using with other loras)

character trigger:

black hair, mature female, huge breasts, single hair bun, brown eyes, sidelocks, parted bangs, forehead

outfit:

shirt, green shirt, skirt, yellow skirt, short sleeves

school uniform, skirt, serafuku, pleated skirt, shirt, short sleeves, black skirt

I tried another training method, works great so far

Tutorial: New workflow for 1.5 LORA training : r/StableDiffusion (reddit.com)

I used this to turn the 0.4 to 1.0

GitHub - ostris/ai-toolkit: Various AI scripts. Mostly Stable Diffusion stuff.