Maria is worried about her husband who lost his job due to his gambling addiction. In an attempt to help him get back on his feet, she enlists the help of her father-in-law Ginji and the two families start living together, but... Maria is on the verge of losing confidence in her husband's incompetence, who shows no signs of changing. However, she is saved by Ginji's kindness, and before she knows it, she begins to feel more than just a parent-child bond with him. Having crossed the line, the two of them grow closer rapidly, and their actions escalate day by day...