According to the introduction of cool dog music, there is a lyric in the song "Flower Bridge Running Water" that is "When the sun goes down, sister, you have to come with me", so sister, you have to come with me.
Running water is the theme song of the movie Bride with Flower Waist. Bride with Flower Waist is a film directed by director Jiarui Zhang, which mainly tells the ancient wedding customs of Huayao Yi people and a series of stories caused by it.