The subject "rei kuroshima sone187 meat s1 no1 style full" contains terms primarily associated with the adult entertainment industry in Japan. is a major Japanese adult video (AV) producer founded in 2004. The alphanumeric string SONE-187 is a specific production code used for categorizing and identifying individual works within their library. Understanding the Terms Rei Kuroshima : The name of the actress featured in the production. SONE-187 : The unique product ID/code. S1 No. 1 Style : The studio and brand.