Hatsune Miku and KAITO's popular song has been serialized into a manga! Cesare (KAITO) is the first born son of the House of Borgia, while Lucrezia (Hatsune Miku) is his younger sister. One day, Cesare receives a poison from his father that has been handed down in the family called, "Cantarella".<br /><br />The House of Borgia gained prosperity in the 15th century Rome. Cesare, who is in line as the next head of the family, has a sister who he has never met. Her name is Lucrezia. The story unfolds after the moment the two first meet...