The word "Qi Jun" is the most beautiful word written by Le Manxi, and "brother Qi Jun" is the most beautiful voice in Le Manxi's mouth. Qi Jun is the support and concern that can never be erased from Le Manxi's heart, and it has been her habit since she was a child.
Le Manxi is four years younger than Qi Jun. She spent most of her time before the age of ten with Qi Jun. Qi Jun is a rebellious boy. In his eyes, Le Manxi will always be a well-behaved and sensible little sister. However, as time goes by, Le Manxi gradually develops feelings for brother Qi Jun.
From the age of four to thirty, Le Manxi accompanied Qi Jun from childhood to maturity, and witnessed with his own eyes one heart-breaking relationship after another in his life.
In the end, where will this relationship go?