A little beauty in the green years, a little secret buried in the youth. The most beautiful thing in her high school days in early summer was meeting Jiang Cheng. Her heartbeat the moment they first met in the corridor determined that Jiang Cheng was the oxygen in her life. The moment Jiang Cheng hugged Chu Xia in the swimming pool, his heartbeat began to exceed the normal frequency. Chu Xia was the indispensable sunshine in his life. No matter what, they all have extraordinary existences in their lives.