A fanlisting is a place for all fans of a particular show, movie, actor/actress, singer, etc. to come together and build the biggest listing of people from all around the world who are fans of that subject.
This fanlisting is for the boys love series Level C. Level C is the story of young model Mizuki who catches Kazoumi's attention during his way home and Kazoumi offers him a night of ecstasy in exchange for a place to sleep.