It was meant as a joke. His student Sato, who had no specific aspirations and no career path, asked him to go on a date after he graduated. If that kind of thing motivates me... he thoughtlessly promised. However, from that day on, Sato-kun started trying his best to make a difference, and I couldn't back down... If she only did it once, her husband probably wouldn't find out either. Then, she decided to go on a date with Sato-kun, who had successfully graduated, as promised, but something like that happened.