菇凉她动了心少年他动了情
[gū liáng tā dòng le xīn shăo nián tā dòng le qíng]
It means the girl (mushroom as her symbol) has feelings while the boy fell in love. It illustrates mutual emotions emerging between young people, suggesting an innocent yet touching moment when young lovers first fall in love, like the purity symbolized by mushrooms.