Hatsune Miku is a worldwide sensation! This year Hatsune Miku embarks on her North American tour in over 10 major cities! To celebrate, join Hatsune Miku and her vocaloid friends in this brand new story from Dark Horse. Acute describes the tragic relationship between three Vocaloids: Miku, Kaito, and Luka! Once they were all friends making songs - but while Kaito might make a duet with Miku, or a duet with Luka, a love song all three of them sing together can only end in sorrow! Based on the song with over 4.4 million combined views on YouTube and NicoNico.