Xia Zhi is Xu Zhi, a faint ray of light that shines in the dark night, but it is enough to amaze her entire youth. Xu Zhi has been secretly in love with Xia Zhi for ten years.
"Xia Zhi, Xia Zhi, give you a little summer gift. I know it sounds nice! Well... I hope to have you every summer in the future."
"Xia Zhi... Is a person I have liked for many, many years."
"I just want to be an ordinary person and spend this life in an ordinary way, but... I have a selfish intention... To be with the person I like all the time."
"Promise, we... Are still friends."
Concept: In the end, Xu did not surprise the high-spirited boy she had liked when she was young.