It's not that I'm dissatisfied with my wife. - However, the charm that her mother-in-law, Arisa, exudes is so bewitching that I was so captivated by it that I forgot that my wife existed. - I don't want anyone to know about this feeling... - However, one day, his wife was away from home for company training, and he asked Arisa to stay at their house to keep watch to prevent him from cheating on her. - I was alone with Arisa in my house without my wife. - A night begins when reason and instinct are shaken...