Ryou, a student transferred to Jousei Academy for his history of humiliating others, sets his sights on the beautiful Hagiura sisters. After discovering that his new teacher, Aina, is the twin sister of Yuuna—the woman who orchestrated his transfer—Ryou uses his cunning to trap and dominate both women, forcing them into a state of total submission.
Seeking revenge against Yuuna, Ryou targets her younger sister, Aina, using a combination of ruthless coercion and sexual manipulation to break her spirit. By blackmailing the sisters and subjecting Aina to extreme humiliation—including a daring ordeal during her classroom lessons—Ryou aims to strip away their moral principles and force them into absolute submission.
Ryou focuses his sadistic attention on Aina Hagiura, using psychological manipulation and physical bondage to break her spirit and force her into submission. Despite her desperate attempts to resist and seek help from Kamijou-san, Aina discovers that Ryou has already compromised the student, leading to Kamijou-san's own humiliating descent. As the web of depravity expands, Ryou sets his sights on the school's principal to further his campaign of control.
Ryou sets his sights on Principal Mifuyu and her daughter, Marika, the strict head of the Public Morals Committee. Using blackmail and psychological manipulation, Ryou forces Mifuyu into submission and subsequently breaks Marika's spirit through a series of degrading encounters, including a daring act in the school library, ensuring both authority figures are completely under his control.