Kalafina member Hikaru has left the group as of October 20.
The group announced the singer's departure on November 2.
In her announcement leaving the group, Hikaru did not discuss any plans for her future.
This is the 2nd member of Kalafina to leave the group this year. In February, Keiko left the group.
After the latest departure, Wakina is the only member of Kalafina left in the group. It has not been determine how Kalafina will continue with only one person left.
Kalafina's membership problems began when Yuki Kajiura, the group's creative force, left Space Craft Produce in February. After she left, rumors of the Kalafina's disbandment were widely circulated, with Keiko officially leaving the group.
Wakina will be starting up a solo career at the beginning of 2019.