https://civitai.com/models/38551/squeezer-experimental
It changes the character's body shape without destroying the model's characteristics, as shown in the example image. (Doesn't work for realistic models)
The strength of the effect can vary depending on the model and the LoRAs mixed in, etc.
Stable for most models up to ±1.5(max 2.0), beyond that, there may be issues