Here are some negative prompts to avoid undesired outcomes:

I don't want the image to have an excessively bright or dark exposure that affects the visibility of the character details.
I don't want the image to have dull or flat lighting that distracts from the emotional dynamics of the scene.
I don't want the image to have a forced perspective that distorts the proportions of the characters or the space around them.
I don't want the image to have excessive editing that makes the scene appear contrived or unreal.
I don't want the image to be poorly focused that makes the characters appear blurry or out of focus.