Meet Hatsune Miku. She loves life, is very optimistic, and has many friends. Until one day. Miku is thought to have killed her next door neighbor, a mysterious girl named IA. In truth, she was walking home from the corner store when she heard a scream. She was the savior of IA's sisters, Yukari and Luka. Miku feels terrible about life. She gets suicidal thoughts. She waits for the police to come to her door and take her away. Worst of all, her mother abuses her and she is bullied by Yukari. No one believes she is innocent. Well, except for Luka. Crazy Luka. Yandere Luka. Sometimes-a-kuudere Luka. And tsundere Miku. What will be the outcome of these two lovers?