For the moment I’ve just added a 
icon to the original 雨でも晴れでも Yuri Club book entry; it doesn’t link to anything, since the offshoot club is continuing on in the original club thread. (And I finally added an extra legend up top now that we have two offshoot clubs.)
Does that work for you? Or would you like to try to represent the offshoot club in a different way?
