One and Only (TV series)

One and Only (Chinese: 周生如故) is a 2021 Chinese period romantic television series, starring Ren Jialun and Bai Lu.^[1] The series is based on the novel Yi Sheng Yi Shi Mei Ren Gu (一生一世美人骨) by Mo Bao Fei Bao. It’s available on iQiyi and iQ.com from August 18, 2021.^[2] The series is followed by a modern companion series Forever and Ever. Both series were adapted from the same novel, released back to back, and follows the same characters in different eras (one historical, one modern).

One and Only
Genre	Historical, Romance
Based on	Yi Sheng Yi Shi Mei Ren Gu (一生一世美人骨) by Mo Bao Fei Bao
Directed by	Guo Hu
Presented by	Gong Yu, Zhao Yifang
Starring	Ren Jialun Bai Lu
Ending theme	As It Is by Zhang Bichen
Country of origin	China
Original language	Mandarin
No. of episodes	24
Production
Running time	45 mins
Production companies	iQIYI HUACE FILM&TV Xiamen Film Industry Service Center Co., Ltd.
Original release
Network	iQIYI
Release	August 18, 2021 (2021-08-18)

Cast

Main

• Ren Jialun as Zhou Sheng Chen (Jr. Nanchen King, Cui Shi Yi's master), voiced by Bian Jiang
• Bai Lu as Cui Shi Yi (daughter of Cui Family, Zhou Sheng Chen's eleventh protégé)

Supporting

• Wang Xingyue as Liu Zixing, historical prototype emperor Xiaozhuang of Northern Wei
• Li Yiru as Hong Xiaoyu
• Zhou Lula as Xiao Yan
• Yao Yichen as Cui Feng
• Su Mengyun as Feng Qiao
• Wu Mansi as Princess Xinghua
• Liu Weiwei as Cui Wenjun
• Fu Jun as Xie Chong
• Liang Aiqi as Qi Zhenzhen
• Yu Yang as Cui Guang
• Yuan Ruohang as Xie Yun
• Zhang Chenghang as Zhou Tianxing
• Wang Xinghan as Zhao Teng
• Zhang Zhang as Cheng Xi
• Han Chengyu as Huan Yu
• Xi Xue as Gao Huaiyang
• Dai Si as Jin Zhener

Production

The series began filming in November 2020,^[3] and wrapped up in January 2021.^[4]