If this is the first time you visit the so-called 'fanlisting', maybe you are wondering what the heck does the phrase mean. Well, according to AnimeFanListings's frequently asked questions, a fanlisting is:
... a web clique that lists fans of a particular subject. Unlike most web cliques, a person does not need a web site in order to join. Fans from around the world submit their information to their approved fanlisting and they are then listed to show their love for the subject.
That being said, if you are a fan of Hoshino Katsura, you are more than welcomed to add yourself to the members list.