Recommended Lora strength : 0.8 ～ 1.0

The generation of wide picture size might be difficult.

In this case, I recommend to use the particular words such as split view, multiple views.
(see my sample pic)

v1.0 : The face in the original image has been included in the training.

v2.0 : Since the model file are only trained the breasts, the face depends on the base model.