A beautiful girl named Sakasaka Haruna, who was perfect in every way, had her life turned upside down when she was blackmailed by a teacher over her secret extramarital affairs at school. Despite resisting, she lost her virginity to him, hiding the truth from her boyfriend. Plagued by guilt, she struggles to maintain their relationship until they finally consummate their love... but it turns out to be with none other than that despicable teacher! As her emotions crumble, her moral compass spins out of control, and all she can think about is sex. Her entire life changes drastically as she descends deeper into this web of lust and betrayal.
