The hentai "Generous Donation 2" was made by such popular 3DCG artists as Rikolo and Neil in September 2020.

Sarah is a very rich futanari who periodically donates her sperm to the local sperm bank. Just recently, a catastrophic mistake occurred, and our heroine's sperm ended up not in that container and was lost. Now the dark-skinned nurse Bianca must do everything possible to get another donation from the depraved and unyielding Sarah...