Urumi Kanzaki (Great Teacher Onizuka)

Only tested with epicmixv3, the results were good between 0.7-0.9 weight i'd say.

Sometimes heterochromia is not appearing, though it can easily be fixed by inpainting the other eye with the corresponding color. (preferably after upscaling if you're planning to use a denoise > 0.2 for upscale because it could reset the eye color)