Azusa, who divorced 20 years ago, has raised Taichi with just one woman. Taichi graduated from college safely, joined the editorial production of a magazine, and reached the end of his child-rearing. However, Taichi's professional was transcendental black, and he worked every day from morning till night without holidays. Azusa, who was worried about Taichi, forced her to take a day off when her grandfather died and took her on a hot spring trip.