Miwa and Yusuke, who got married within the company, are a good couple. I bought a long-awaited detached house with a loan, and I am spending every day filled with happiness. One day, Miwa accidentally meets her old boss, Ota. Yusuke is indebted to him for teaching him how to work, and Miwa is indebted to him for saving him from a stalker. The couple discussed how to repay Ota, but the bitter Ota was no longer the same. Ota takes advantage of Miwa's kindness and sympathy before long...