Shion Kaiko, Shion Kaito's younger sister, died in a tragic accident right after her closest friend's birthday, Meito. Now Meito along with his friends, Hatsune Mikuo, Kagamine Rinto & Lenka, Gumo, Megurine Luki and Kamui Gakuko will have to solve this mystery though this is but a test of friendship. Behind the scenes, lies a rich yellow-headed girl watching them as they suffer the difficulties of solving one's death. As they try to unravel Kaiko's secrets, Meito's friends discover more about their own relatives. Learning secrets as well as discovering the truth. What lies ahead of Meito and his friends? What is the secret to Kaiko's death? DISCLAIMER: I DO NOT OWN VOCALOID.
3 parts