Kyoko has devoted her life to Shotaro . When Shotaro came to Tokyo to debut as a singer , she followed him and worked to provide for him . But one day , Kyoko overhears Shota telling his manager that Kyoko means nothing to him .
According to the above context, choose the best option to answer the following question.
Question: What is Kyoko 's relationship to Shotaro
Options:
- His sister
 - His lover
 - His mother
 - None of the above choices .


His lover