Jin Zhi-Juan is a Taiwanese singer-songwriter, formerly known by the stage-name Wawa. She achieved first success as the singer with the 4-man pop band Qiuqiu Chorus. After leaving the band to go solo the peak of her popularity was her period with Rock Records including albums such as Heavy Rain 《大雨》, and Four Seasons with songwriter Lo Ta-yu, which were also issued under license in the PRC.