The story tells that the heroine and her friend fell out of love the day before they traveled to Japan. They met the hero in Hokkaido, Japan, and the two hit it off. The hero became the heroine's one-day tour guide. They originally made an appointment to have dinner together, but because the heroine returned to China, the trip to Japan ended in a hurry. The two people who originally thought they would never see each other again, a few years later, the male protagonist came to China due to a job transfer, which happened to be the city where the female protagonist lived. The two met again, and this time the heroine became the hero's tour guide. They had the meal they had agreed on before and started their story.
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