The story of two high school girls slowly getting closer.
Su Li and Bai Yu, who also skipped classes, met in an empty classroom. Bai Yu found that Su Li was a little different from others, and so did his feelings for her.
"Bai Yu, haven't you ever played on the slide in the park?"
"Yeah."
"Then let me take you back to your childhood."
Concept: The wonderful things in life are hidden in the ordinary daily life