Pop! (Vocaloid Fanfiction)

What would happen if you had Zatsune as an older sister, Hatsune as the second, a new Vocaloid named Emi as their younger sister, and put them in the real world?
You are going to find out here. If there is one Vocaloid on stage and one in the audience, it won't work. Both Vocaloids need to be on stage, or there is going to be a big malfunction.