Many years after leaving high school, Lin Xia still carries a long-hidden thought in her heart. She wants to set that painful yet precious time down on paper, using the way she knows best to remember and treasure someone. She once followed his silhouette along a long plane-tree-lined path, and rode behind his bicycle through the scorching afternoons. That time, now frozen and almost shattered, is Lin Xia's treehouse. The person she has missed for so long lives there, becoming every leaf, every branch, every line in its bark.
"Because of you, I became who I am."
Theme: As the protagonist pursues her goal, she gradually steps out of a shadowy corner and into the heart of the world. When she stands tall with beautiful feathers, that person's silhouette and the thought she once kept hidden rise to the surface...
