A hidden underground network lurking within a prestigious private tutoring academy forces diligent, high-achieving girls into compensated dating. Desperate to avoid bullying, these girls remain unaware that their shameful acts are being recorded. Pure and sensitive young maidens with straight black hair and blunt-cut bangs are manipulated and sexually exploited by men. Their innocent bodies instantly secrete arousal from the slightest stimulation, writhing in ecstasy when their genitals are licked. They moan with every penetration, convulsing in pleasure as they gradually succumb to desire. When further stimulated by sex toys for the men's amusement, these girls tremble repeatedly, climaxing over and over. A dark tale born from illicit relationships.