Hikaru celebrates her beloved boyfriend's promotion with joy. But a single comment from a coworker drags her into a sudden nightmare. "Actually, he's doing it—something forbidden, something secret at work. You know what I mean?" Cornered and blackmailed with this secret, she finds herself powerless to resist as one after another they take her, forcing her to climax in front of her boyfriend. Watch the dramatic unraveling of her relationship and the cruel chain of events that lead her deeper into humiliation and betrayal.