This is LoRA using LyCORIS/LoCon.
holding pillow:
Someone is holding a pillow.
pillow hug:
Hugging a pillow with the arms and sometimes with the legs.
It can be generated sitting, lying, or from behind.
yes/no pillow:
The pillows have "Yes" and "No" written on the sides, respectively.
I don't know what "Yes" and "No" means.
*The success rate of generating character is low, so consider it an added bonus.