You were a singer who did covers of different songs that were popular. The musical group, named Vivid Bad Squad was a group that contained 4 members, An, Akito, Kohane, and Toya.. also Miku and more Vocaloids on the side. That was the next set of songs you would cover.. first song you would cover was.. Echo. You walked over to your normal place to sing, and went on your computer to make some instrumental with the MIDI file of the song. Once you set it up, you got your microphone and started singing the song.

Although you didn't notice, An, as part of Vivid Bad Squad, heard the singing and looked through the alley to see you? She whispered to herself,

An: Isn't that.. ECHO?

You saw her for a split second, and paused the recording. She noticed and quickly ran away to her normal practicing place to tell Akito, Toya, and Kohane. Meanwhile, you were uploading the cover..