"Hinano", a young and new nurse. She joins the company and for the first time she participates in a meeting called Egao-no-kai. She suffers an unexplained sin and is forced to apologize. If she wants to atone for her sins, she is asked to offer her body for sexual service. At first she reluctantly obeys, but gradually she finds herself in pleasure. Her de M awakens and she drowns in a bigger orgasm.
