The history of dominating the Japanese adult video market.
High-bitrate video encodes designed to scale across varying network bandwidths.
The "Hunk Channel" appears to be a notable producer in its sector, having been in operation since at least 2006. The channel is known for its "OAV" series, which likely features original video content produced for direct release. The number "155" suggests that this series is fairly extensive, with at least 155 individual releases.