In my opinion, Hatsune Miku and Kaito are actually “real” people from another world. In the “other world”, they’re biological siblings, whose last name is unknown. Their parents are opera singers (are they Prima and Tonio, it’s up to you) who travel around the world after Kaito is old enough to take care of Miku. Kaito is a Producer-to-be who sends his music to the Internet, while Miku is an avid DDR player who has her own machine in her room. Miku wants to be a diva when she grows up.

Kaito and Miku’s neighbors are Rin and Len, with their young mother Lily. Lily’s a busy popstar, so when Rin and Len are left at home, Kaito and Miku’s family are always there for them. Meiko is Kaito’s girlfriend who’s strong but quite dumb when it comes to grades. Later, Kaito will go to music college and will meet Luka. She is quite shy in public but is actually friendly towards Kaito. There’s also Gakupo who is also Kaito’s college buddy.

Later, a group of men in black came into Kaito and Miku’s world. They first capture Meiko, then Kaito, then Miku, and so on. They were later modified into Vocaloids with only the same appearance, voice, and personality.

Submitted by nest-of-lala 

Submitted by vocaloid-review

aerendyll’s headcanon