Hatsune Miku: Cantarella ~Poison of Blue~

Cesare, the eldest child of the notorious Borgia household in fifteenth-century Italy, learns he has a sister he’s never met—Lucrezia. He is also given a poison called “Cantarella,” which has been handed down in the family for generations. The story unfolds after Cesare (here played by Kaito) meets Lucrezia (Hatsune Miku) for the first time…(Source: Seven Seas Entertainment)