When Su Yu was seven years old, he met Jiang Yi who was lost in an amusement park. Jiang Yi had just been taken home by his uncle and was in a bad mood. Su Yu took him to find his uncle and gave him his yellow balloon.
The two reunited during military training in their first year of high school but did not know each other. Su Yu fell in love at first sight and stalked each other after being rejected during the military training.
Concept: Youth has infinite possibilities