Tag is this a umamusume oc?

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Rule 34 – ai generated animal ears animal humanoid big breasts black hair curvaceous curvy curvy figure equine humanoid gradient background hair ornament hand on hip highleg leotard horse girl horse humanoid huge breasts is this a umamusume oc? large breasts leotard long hair looking at viewer mammal medium breasts nai diffusion original original character ponytail purple eyes purple swimsuit sad simple background stable diffusion swimsuit swimwear thick thighs twintails white bow wide hips | 6920157
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