Most models will draw the wings behind the character regardless of the direction they are facing. This LoRA is designed to put the wings on their back even when the back is towards the viewer. This is a UNet-only training, so it should work with the same prompts you would normally use. It is trained against an anime model, so you should use Danbooru-style tagging to prompt it, such as "wings, from behind". There were some NSFW images in the training set, but it should work for both NSFW and SFW purposes.

Back Wings

This is from an earlier epoch of the regular LOCON version, so it has a much smaller effect on style, but is less reliable at getting a good pair of wings. The recommended way to use these is to generate an initial image with the regular LOCON to get a nice initial wing shape, then do a 2x upscale in img2img at 0.5 denoise using this one so that the wings will stay on the subject's back without affecting the style of the base model. You can also do 0.5 weight on this and 0.5 weight on the regular version or some other ratio to find the right balance.

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