Mei Itoya, who has kept silent for 13 years in a full-fledged drama work, makes a complete resurrection! Mei has been married for 10 years, and she and her husband were a good couple with no fights. Her husband doted on his junior at work, Yuta. One day, Yuta confesses to her, but when she refuses, she fulfills Yuta's wish to "just kiss once" instead of giving up, and the sleeping woman awakens. And then... the next day, she exchanges another intense kiss with Yuta, who appeared at her home while her husband was away...