Although it's getting warmer during the day, one day the winter cold still lingers... Koichi catches a cold as the seasons change. This time, he passes the cold on to his wife, Natsue, who ends up in a long-term hospital stay with swollen tonsillos... Then Koichi's mother-in-law, Mirei, comes to visit. Koichi is happy to see Mirei after a long time and is taken care of, forgetting the pain of his cold. The next day, he feels better, but he wants Mirei to take care of him again, so he decides to take a day off work...