I know its late but its because you didn't create a password that met their password requirements. They have no prompt that actually tells you this!
you know the prompt of password needs to be 8 character, have special character, one number, etc.
It's cause of piracy. There isn't as much revenue for JAV studios anymore so they can't produce as many movies like they use to. Producing many movies had a two-fold effect where it allowed more videos of the idols you enjoyed and allowed for new girls to be tested. With the reduction of...