The text you provided appears to be a typically found on adult content websites, peer-to-peer (P2P) file-sharing networks, or eroge (erotic game) databases.
: This is likely the start of a tag such as (Eroge/Novel) , referring to the "Visual Novel" genre of games.
: The specific title of the content. Based on the name, it is an adult-themed game or animation.
: A shorthand Japanese term for "erotic game" ( erotic video game ).