IMPORTANT: If you are on the standalone build of ComfyUI you need to update the ckpt path on the node to ComfyUI{the path}
Checkout https://github.com/SkyTNT/anime-segmentation into comfy_extras/anime_segmentation (so you have comfy_extras/anime_segmentation/train.py)
Download model https://huggingface.co/skytnt/anime-seg/tree/main and put into comfy_extras\anime_segmentation\saved_models
Install requirements
Put anime_segmentation.py in custom_nodes
Node is under image -> AnimeSegmentation