Momiji is trapped in a toxic, abusive relationship with the dominant Kazuto, who treats her as a mindless doll for his own pleasure. Despite attempts by Shizuru, a housemaid, to protect her, both women find themselves subject to Kazuto's cold manipulation and sexual whims. Bound by a cycle of submission and power, they struggle to maintain their identity while serving as mere toys for his desires.
Kazuto asserts his dominance over the women in his life, starting with a classmate named Ayane who attempts to blackmail him with compromising photos. After forcing Ayane into submission, Kazuto turns his attention to his devoted maid, Mari, breaking her spirit and demanding absolute obedience. Through manipulation and force, Kazuto establishes a dynamic where Momiji, Ayane, and Mari all compete for his favor.
Momiji officially begins her role as a maid for the Mikado Zaibatsu, navigating a competitive rivalry with Ayane to earn Kazuto's favor. As Kazuto pushes her to strengthen her resolve through a series of intimate and dominant encounters, he takes her on a rare outing to an amusement park. Despite her internal conflict, Momiji finds herself increasingly captivated by Kazuto's commanding nature.
After returning from a medical exam, Momiji is subjected to Kazuto's erratic and abusive behavior during a series of degrading public outings. Despite the cruelty, Momiji learns from Shizuru that she is the only person who has managed to stir emotion in the otherwise hollow and despairing Kazuto. Recognizing their shared brokenness and mutual dependency, Momiji accepts her role in his life, finding a twisted sense of belonging in their volatile bond.