Cheng Yu's world is quiet and precise, like a transparent glass house - he can see everything outside, but he can never really integrate into it. Until Lin Xiaoyu appeared again, the girl he had silently recorded with data for ten years.
When they reunited in college, she was his childhood sweetheart who was entrusted by the Cheng family to "take care of" him, but he was still the lonely boy who would write "Xiaoyu smiled for 0.3 Seconds today" in his notebook. When others laughed at Cheng Yu's weirdness, Lin Xiaoyu understood the tenderness beneath his silence; when he closed himself off due to social fear, she became the only person he was willing to touch.
From classroom to life, from stranger to dependence, two cautious hearts gradually get closer. But the truth about their separation ten years ago, the prejudices of others, and Cheng Yu's inner fear of being "abandoned" are all testing this seemingly fragile relationship...
