Because this song was very suitable for their TV series, they wanted to buy it as the insert music in the show.
Insert music didn't sound very important, but it actually appeared throughout the show more often than the opening song and the ending song did.
Many people preferred to watch TV shows on the Internet nowadays, and they would normally fast-forward to the show without watching its beginning.
Sometimes, the opening song or the ending song would also be used as the insert music, so it depended on the quality of the song whether it could be popular.
Xia Yichu was signed by Fenghua Entertainment, and Xia Yidong cared about his older sister's career, so the director had to ask for Fenghua Entertainment's agreement. As for the singer, it had to be Xia Yichu.
Afterwards, the director discussed it with Fenghua Entertainment.
