From what I heard it's basically an idol group which keeps bringing in new fresh 13-14yo girls and dumping them when they turn 22-23 , many of them ending up in JAV or IV 
...but I can't find any clear list out there, also apparently they change their names when they "graduate" 
Do we have a connoisseur around here? 
...but I can't find any clear list out there, also apparently they change their names when they "graduate" Do we have a connoisseur around here?