"When I Met You".

According to the qq music query, "This second, the heartbeat is like a dream" comes from "When I Met You" (female version), a song sung by Sa Dingding, written by Chen Huan and written by Sa Dingding Composed and produced. This song is the ending theme of the TV series "Snow Pear Stewed with Rock Sugar".

The original lyrics are "This second, my heartbeat is like a dream, your eyes are like stars, shining in my night sky, I hold your hand for the first time, my breathing is messed up, it's like picking up... If you take a star, you will be so lucky."