Beautiful girl JK Ichika, teacher Shinji, and younger sister Serina are childhood friends. However, the relationship is estranged due to a certain incident. At some point, Serina and her faction became openly bullying Ichika for a long time... You asked for it, and I won't let you get away with it. Serina rejects Ichika's offer to make up with an apology. Come on, understand your position! Ichika, who was subjected to garbage water torture, was throwing a frustrated look at Serina's escort girls. Ichika was looking for a story to do something about the escalating behavior and was undeterred... What's that ... I knew it! Chuckling, Ichihana's eyes were staring at the images sent from a spy camera installed near Serina's room...
