Azusa, a lawyer specializing in molestation cases, is determined to go undercover to catch the real culprits and help victims suffering from false accusations. However, tracking down the threads of guilt proves difficult, and she gradually begins to feel impatient. Into her life comes a sudden incident. One day, while commuting, a man approaches her and starts groping her before she can even scream. In that instant, her mind and body are drawn onto a new path. She hastily escapes the train, but the lingering sensation of pleasure slowly begins to erode her consciousness. And perhaps, she can never go back.