The story is about a childhood friends who used in good terms and now become an archenemy to each other because of incident that involved with their childhood friend, Shinji, a teacher where they school. The heroine, Ichika constantly getting bullied by her childhood friend named Serina. Ichika can’t do anything about it because Serina is the leader of big faction in the school, one reckless move could lead her for an another suffering. Ichika was desperate and frustated. But, one day Ichika meet with an unknown pervert guy. He gives her a video recording of Serina in her room. Once she saw a glimmer of hope, she prepared a countermeasures of Serina’s action for an all out counter-attack that wil put Serina drown in desperation.