The phrase appears to be a specific product code or metadata tag associated with adult cinematic content rather than a mainstream Japanese television drama series.
Content labeled with such codes is rarely found on mainstream streaming services like Netflix, Hulu, or Viki. It is usually hosted on specialized adult platforms. American Rape Mia - HIKR-133 - EuroGirls
It is common for search algorithms to occasionally blur the lines between mainstream dramas and adult entertainment due to overlapping keywords. However, they are vastly different industries: The phrase appears to be a specific product
When searching for specific series or entertainment titles using codes like HIKR-133, users should be aware of the following: American Rape Mia - HIKR-133 - EuroGirls