One day, Sanae, who had been working hard to buy a home together, had been swept away by the hustle and bustle of daily life for five years. Before she knew it, the couple's conversations had disappeared, and Sanae felt a gap in her heart. One day, when Sanae was in trouble in front of a punctured bicycle, Ogawa from the next room lent a hand. The next morning, when Sanae rushed out of the house to catch up with her husband who had forgotten his lunchbox, she collided with Ogawa...
