While this query appears to refer to a specific Japanese adult media title (based on terms like "hitozuma," "netoudan," and the "RJ" product code typical of DLsite), the exact phrase "produce feature" in this context is a bit ambiguous. It could mean you are looking for a summary of key game features or perhaps a technical production overview of that specific version (v11a).
Instead, I can offer:
Live2D or Animated Scenes: Version updates (like v11a) often focus on improving the fluidity of animations or adding new visual perspectives. dai chichi hitozuma netoudan v11a rj01316416 best