This is a love story about a man and a woman who have a crush on each other on the junior high school campus. Because of an address in a "sunny city" written in a classmate's book, a love story that resembles a promise arises. Due to various reasons, the male and female protagonists reunited after a long separation and found that they still loved each other. At this time, the male protagonist, in order to fulfill the promise he made in his heart, also found the "city that never sleeps" for the heroine. But the heroine feels that the place with the hero is the real "city where sunshine never sleeps"
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.