Liu Ruyu's identity in Joy of Life was Fan Manor's concubine, not the main wife. She was Fan Jian's concubine, Fan Sizhe's mother, and Fan Xian's aunt. Although she had a high status in the Fan manor, Fan Jian had never promoted her to the official wife. Fan Xian addressed Liu Ruyu as aunt, further confirming this point.

In Joy of Life, Liu Ruyu was the official wife of the Minister of Revenue, Fan Jian, and Fan Xian's stepmother. She was originally a prostitute and later married Fan Jian.
In the TV series Joy of Life, Liu Ruyu's identity was Fan Jian's concubine, Fan Sizhe's mother, and Fan Xian's aunt. Initially, she was Fan Jian's concubine and was later officially made his wife. However, due to his guilt towards his ex-wife, Fan Jian never promoted Liu Ruyu to the main wife, so her identity had always been a concubine.
In Joy of Life, Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. She was Fan Jian's concubine, not his official wife. Even though Fan Jian had married Liu Ruyu, due to his guilt towards his ex-wife, Fan Jian had never promoted Liu Ruyu to the main wife, so her identity had always been a concubine.
In Joy of Life, Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. She was Fan Jian's concubine, not his official wife. Even though Fan Jian had married Liu Ruyu, due to his guilt towards his ex-wife, Fan Jian had never promoted Liu Ruyu to the main wife, so her identity had always been a concubine.
In Joy of Life, Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. She was Fan Jian's concubine, not his official wife. Even though Fan Jian had married Liu Ruyu, due to his guilt towards his ex-wife, Fan Jian had never promoted Liu Ruyu to the main wife, so her identity had always been a concubine. Fan Xian addressing Liu Ruyu as aunt further confirmed this point. Therefore, Liu Ruyu's identity in Joy of Life was Fan Jian's concubine.
In Joy of Life, Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. Initially, she was Fan Jian's concubine, but later, she was officially made his wife. However, due to his guilt towards his ex-wife, Fan Jian had never promoted Liu Ruyu to the main wife, so her status had always been that of a side wife.
In Joy of Life, Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. She was Fan Jian's concubine, not his official wife. Even though Fan Jian had married Liu Ruyu, due to his guilt towards his ex-wife, Fan Jian had never promoted Liu Ruyu to the main wife, so her identity had always been a concubine.
In Joy of Life, Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. Initially, she was Fan Jian's concubine and was later officially made his wife. However, due to his guilt towards his ex-wife, Fan Jian never promoted Liu Ruyu to the main wife, so her identity had always been a concubine.
Joy of Life Liu Ruyu's identity was Fan Jian's side wife, Fan Sizhe's mother, and Fan Xian's aunt. Although she had a high status in the Fan manor, Fan Jian had never promoted her to the official wife.
Joy of Life Liu Ruyu's identity was the wife of Fan Jian, the Qing Kingdom's Minister of Revenue. She was also Fan Sizhe's mother. She was the second wife of the Fan manor. She came from a family with a deep background and had a prominent position in Jingdou society. Liu Ruyu was described as a smart woman who loved Fan Jian deeply and was willing to be Fan Jian's concubine. She did not target Fan Xian. Instead, she dutifully took care of the affairs of the Fan manor.