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.
: A shorthand Japanese term for "erotic game" ( erotic video game ). Completo.eErogeFantasia.eAngel Sex Pet (Eroge/N...
This specific formatting (using dots instead of spaces) is common in or archive filenames to ensure compatibility across different operating systems and web servers. The text you provided appears to be a