Furukawa Miki is just a normal high school student, or at least she tries to be. She holds a secret that she is afraid to let go of. Will revealing it become her key to being a famous singer? Join Miki and her band, the Vocaloids, in their journey to stardom. As for pairings, well, read between the lines and maybe you'll find some where I didn't. They'll be coming later.

Research Report #251: Loids or the well known Vocaloids are synthetically recreated human beings based off of a prior candidate, who would have "died" to properly conceive to the new adaptations being plugged into them. They're "human" in terms of living.

When Koko gets a letter in the mail, someone knows about her obsession with Vocaloids. She ventures out and finds herself spending her summer vacation with the Vocaloids! A question lingers: Should she be afraid of them, or the other way around?

Imagine how the world would be like if Vocaloid really existed with us? A story of friendship and harmony, and most importantly, our vocaloids.