Assuming you have exhausted legal options and want to understand the landscape (without linking to pirated content), here is how those who successfully find Episode 3 operate:
"Kuroinu: Kedakaki Seijo wa Hakudaku ni Somaru," which translates to "Black Clover: The Young Noblewoman with a Dirty Mind," is an anime series that aired in 2016. It is an ecchi (adult-themed) comedy that revolves around the story of a young noblewoman named Sable who becomes involved in a certain conspiracy. Assuming you have exhausted legal options and want
For better or worse, Nyaa is the definitive archive for all anime, including adult OVAs. Search for "Kuroinu" and filter by "1080p" and "English translated." Look for file sizes > 1.5 GB for a single episode. The highest quality rips often have "Dual Audio" (Japanese/English) and include the 10-bit x265 codec. Search for "Kuroinu" and filter by "1080p" and
Some possible sources to include in your search: including adult OVAs.