Hentai "Generous Donation" was made by such popular 3DCG artists as Ricolo and Neil in October 2019.

Sarah is an incredibly wealthy futanari girl. She decides to donate some money to the local sperm bank, and also donate her "sperm samples". She is greeted by a cute black girl with huge breasts, who is supposed to take her sperm samples. Sarah notices how eagerly the nurse looks at the outline of her cock and decides to ask her to take as much "generous donation" as possible...