The wife of a female teacher who was supposed to go to the preliminary inspection of the educational training of new teachers. Because of her cost reduction, her companion is only one male teacher. Her husband, who has a prejudice against the teaching profession, saying that there are many unproductive and insidious people, though there is no problem in the couple's relationship, was uncomfortable with overnight business trips between teachers. For Misaki, who is not interested in anything other than her husband, it should have been a groundless worry, but her taciturn colleague began to hit Misaki with her eerie sexual desire...
