Serina, her brother Shinji, and Ichika are childhood friends. Things went sour between Serina and Ichika due to a certain incident and Serena has been bullying her since then. Ichika has been putting an effort to make things right but the issue grew bigger and Serena's lackeys had been escalating the bullying. Ichika's patience is about to run out when she discovers something scandalous about the siblings, and so her retaliation begins...
