Entangled by blackmail after losing her virginity to him, Itsuki now commands teacher Yohito as her secret lover. Privately, she is his doting seductress, teasing him with her feet before riding him to ecstasy on his sofa, all while maintaining a facade of public contempt. As their thrilling, risky affair deepens Yohito’s turmoil, an unexpected intruder threatens to expose their forbidden bond.