When he was seven years old, Su Nian could not reach a copy of "The Little Prince" in the library. Someone took it down for her.
It took her nineteen years to finish saying "thank you".
From the secret base under the locust tree to the letters thousands of miles away, from the hospital ward to the bookstore that finally opened at the corner of the alley - a story about "domestication". It took us a long time to understand that the so-called lifetime is just that from childhood to adulthood, I will be by your side.