According to Netease Cloud official website, the original song "How much do you have in your heart" was sung by Wang Leehom, a singer from Taiwan Province Province, China, and was released and sung on July 18.
Lyrics fragment: The last picture that flashed in my heart was you under the blue sky. At the moment I decided to leave, I didn't know what to say. It was a feeling of reluctance and I held my eyes.