優酪乳少女 (Yōuluòrǔ Shàonǚ)

Background
"Yōu Lào Rǔ Shàonǚ" is the first original song featuring Xin Hua since her release.

This song is about a girl who purchased two bottles of yogurt. She discovered fairies on the yogurt and she receives power from them. Using her new yogurt power, she fends off an evil monster.