Vocaloid Hatsune Miku, was bought and installed by "Master", who she cared for deeply. However, over time she begins to wonder about the reason she was born, much to the opposition of her other shadows (Appends).
Novel Summary : Shinosato Asano, an ordinary university students. Was responsible for "Hatsune Miku" human artificial field test. Asano, although confused with the humanity of "Hatsune Miku" began to care deeply for her. But, he found out her secrets. And that is ...?
The Disappearance of Hatsune Miku, is the first song in the series, with over 5,500,000 views. It is a crazed ultra-speed song with a tempo reaching an upper limit of 240BPM. The song is about Miku's Uninstallation.
初音ミクの終焉 -Worst END- (Hatsune Miku no Shuuen -Worst END-)
Vol.2 The Rampage of Hatsune Miku, has reached over 1,000,000 views. This is also the song that gave cosMo his -P name, Bousou-P. The PV has 3 Miku's. The 1st from "Miku, a piano, and fantasy" gets upset at the 2nd from "Magical Girl Radical Paint", for dumping her Radioactive Paint on her pet cat Rin, while the 3rd from "Vocaloids Box" chews on a Leek in the background.
Vol.3 The Division→Destruction of Hatsune Miku, has reached over 600,000 views. It is notable for featuring all the voicebanks of Hatsune Miku Append (along with the original Hatsune Miku). The original Miku still wants to know why she was born yet her Appends who she calls "Shadows" want her to forget about all her questions.
Vol.5 Goodbye World Of Common Sense, has reached over 200,000 views. It is the only song that doesn't have "Hatsune Miku" in the title, and also the only song to feature a full length PV. The song takes place directly after Miku's uninstallation.