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.