Nabilah Ratna Ayu Azalia has left popular girl group JKT48, reportedly due to health reasons.



According to an announcement posted on the group’s official website, jkt48.com, the 17-year-old experienced no significant signs of recovery despite having taken some time off.



“After discussing with [JKT48] management, Nabilah decided to resign from JKT48. Since Oct. 31, she is no longer listed in the activities of JKT48,” the announcement read as reported by kompas.com.



Further details concerning Nabilah’s health issues were not given.



The announcement page also attached a screenshot of a handwritten letter Nabilah directed to JKT48 fans.



Nabilah was one of the original members of JKT48, joining the group on Nov. 2, 2011.



Unlike with previous members who left the group, her exit was not marked by a concert or “graduation” event....