Who is Song in The West Chamber Under the Bright Moon?

What you want to ask is who is with Song in the West Building under the Moon? Song and Gu Jingting are in the West Building under the bright moon. Because "West Building under the Bright Moon" is a rare sadomasochism article, "Seeking Fragrance" focuses on the sentimental love story between the protagonists Song and Gu Jingting. Song and Gu Jingting are male and female protagonists, and they will be happy together in the finale.