Because this is explicit adult content, it is not available on mainstream platforms like Crunchyroll or Hulu. You would typically find it on niche adult anime hosting sites or through adult-oriented databases like MyAnimeList (Adult Section).
There is no official record of a "Season 2, Episode 11" for the OVA series. Below is a report clarifying the details of both series to help you identify what you are looking for. Shounen Maid Kuro-kun (The 2010 OVA) Shounen Maid Kuro Kun Ova 2 11
The anime is based on a manga of the same name. If you are looking for "11," it likely refers to a specific manga chapter rather than an anime episode. Because this is explicit adult content, it is
The main characters in the series include: Below is a report clarifying the details of
If you are looking for information regarding "OVA 2" or "11," The original OVA series titled Shounen Maid Kuro-kun: Tenshi no Uta