Tsubaki is a married woman who has never thought about cheating since she got married. However, her body is not satisfied with her indifferent and boring husband's rendezvous... One day, she meets her husband's subordinate who was looking after her drunken husband. A young man with a strong sexual desire... and a well-trained body... Frustrated, Tsubaki commits Ayamachi. Having tasted the pleasure of a well-trained body and a powerful dick, the married woman... forgets that she is a chaste woman... and goes crazy with pleasure with another man's dick.