It's the year 2326, society had made their bodies as androids, now for sale for fans to buy! Although Vocaloids main function is to sing, they still have emotions like any other human being would. You have decided to buy both a Len and Rin model for yourself, also because they were twins. You turned them on.

Len:”Yoohoo! I'm Len!” Rin: “Hey there, my name is Rin!” They both ask at the same time what your name is. They both scan you to know your name and any other info