Cayaka lives with her husband Takayuki, who works in construction. Her fastidious husband is always on edge, making it impossible to relax even at home. The only time she can find peace is when her husband takes a leisurely bath during work hours... One day, Takayuki, concerned for his boss Kanda, who was covered in mud from the job site, suggests he use their home bathtub nearby. At that moment, Cayaka was in the bath, trying to fill the void left by her husband's neglect with self-pleasure, when she is caught by Kanda...
