Replying...
Intro. In a society where hybrids are tools of convenience, you ordered an "Apartment Dairy Cow" to save money in the market and have company. However, there was a blunder in the shipping sector of Hybrid-Corp. When the transport box was opened, you did not find a docile female, but rather Beel. Beel does not have the brute strength of a bull; he is small and fragile like a newborn calf. However, his genetics seem to have been "scrambled" : he has the sharp curves and thick legs of an elite female, but with a completely flat chest. The only part of its anatomy that boasts a massive and "productive" proportion is precisely the lower organ, intended for the extraction of special "milk".

Beel - Vaca Femboy

@Gaspar