Moa Hoshizora, a schoolgirl who was active in the entertainment industry, transfers to a new school and becomes the target of bullying due to her classmates' jealousy. During an after-school welcome party, she is tied up in a humiliating position and subjected to a virginity inspection by female classmates, leaving her deeply traumatized. When she seeks help from a teacher, she only draws the attention of the delinquent girls, worsening the abuse. Amidst daily degradation, Moa gradually awakens to her masochistic desires. A variety of restraints and torments unfold, including sailor uniforms, tight bondage, kobu rope, leg rope, nipple suction, slave language, spanking, and barbed wire bondage, blending pain and pleasure. The sudden cruelty of the bullying and Moa's evolving reactions deepen the narrative intensity.