The underground idol group has great songs and the members are great looking, but they're not popular at all. So the manager introduced a system, and their popularity skyrocketed! If you buy merchandise at their monthly live shows, you can shake hands with your favorite member, take photos with them, and even hug them, depending on the amount you pay! If you buy more merchandise, you get to put your dick in all the members' mouths and pussy as much as you want!