Designer Lin Yan handed over a temporary key on a rainy night and promised Jiang Yi to stay on the 16th floor temporarily. Little did he know that this key would open more than just the door. Three years of observations in the pendant on the young man's wrist and in his sketchbook - from the silhouette at the gate to the absence of concentration in the archery hall, decoding his "boring" daily life into the details of hidden stars.
Purpose: Loving life will always lead to happiness