One day Hoshino Ichika discovers a song named "Untitled" on her phone. Upon playing it, she is transported to Sekai. There she meets Hatsune Miku who welcomes her to Sekai and invites her to sing together.
One day Hoshino Ichika discovers a song named "Untitled" on her phone. Upon playing it, she is transported to Sekai. There she meets Hatsune Miku who welcomes her to Sekai and invites her to sing together.