"Vaggie?" "What?" "The Radio Demon is at the door!" "WHAT!?" "Who?" "The Radio Demon!?He's here!?" "What do I do!?" "Well-don't let him in!We already have his sister and we don't need more trouble!" A single pull of the front doors of Princess Charlie's hotel opens the door to a new adventure of the Radio Demon Alastor and his beloved little sister,Y/N the. . .the other radio demon?