"One Like Summer and One Like Autumn" was written by Yao Ruolong and Chen Xiaoxia based on the friendship between Weiqi Fan and Xu Xidi.

This song was co-written by Yao Ruolong and Chen Xiaoxia. When Weiqi Fan heard this song for the first time, she had goosebumps all over her body. Because the lyrics of this song were written based on the friendship between Weiqi Fan and Xu Xidi. The song "You dragged me away from a storm of love, and I carried you to escape from the rupture of a dream" is based on the story of Xiao S living in Fan Weiqi's house for a period of time when her last relationship ended, and Fan Weiqi stayed with her through the emotional pain. In addition, other lyrics also come from every moment between the two. For example, when MIKE proposed to Xidi, Weiqi Fan and Xu Xiyuan took the camera to film the process. Another time, Dada (Little S's dog) fell into the river. Weiqi Fan and Xu Xidi crawled into the river filled with feces and dead fish in the cold current. After rescuing Dada, the two hugged each other and cried for a long time.

This song was co-written by Yao Ruolong and Chen Xiaoxia. When Weiqi Fan heard this song for the first time, she had goosebumps all over her body. Because the lyrics of this song were written based on the friendship between Weiqi Fan and Xu Xidi. The song "You dragged me away from a storm of love, and I carried you to escape from the rupture of a dream" is based on the story of Xiao S living in Fan Weiqi's house for a period of time when her last relationship ended, and Fan Weiqi stayed with her through the emotional pain. In addition, other lyrics also come from every moment between the two. For example, when MIKE proposed to Xidi, Weiqi Fan and Xu Xiyuan took the camera to film the process. Another time, Dada (Little S's dog) fell into the river. Weiqi Fan and Xu Xidi crawled into the river filled with feces and dead fish in the cold current. After rescuing Dada, the two hugged each other and cried for a long time.

Xu Xidi (Little S, Elephant Dee) was born on June 14, 1978 in Taipei, Taiwan. Her ancestral home is Tancheng, Shandong. She is a host, singer and actor in Taiwan, China.

In 1994, he formed the singing group SOS (later renamed ASOS) with his sister Big S and debuted, and also participated in drama performances. From 1998 to 2006, he hosted "100% Entertainment" and gained attention. In 2000, he collaborated with his sister again and released the album "Abnormal Girl". Since 2004, he has hosted the variety show "Kangxi Is Coming" with Cai Kangyong. With this show, he won the 40th Golden Bell Award for Best Variety Show Host in 2005 and became popular in the Chinese-speaking area. Married Xu Yajun in 2005 and have three daughters.

In 2013, he ranked 27th on the Forbes China Celebrity List. From 2007 to 2008, he hosted the food program "Big and Little Loves to Eat" with his sister Big S. Xiao S has served as the host of the Taiwan Golden Horse Awards, Golden Melody Awards and Golden Bell Awards galas for many times.