According tot he official statement from BABYMETAL, Yuimetal has left the band.
Below is the statement released by the band (Transcribed by Metal Hammer):
“Yuimetal had expressed her desire to return performing with the group in the following months after last December’s performance due health concerns,” reads the new statement. “During her absence, both Su-Metal and Moametal as well as the entire staff team had been preparing for her awaited return.
“However, following came to a decision that she will not be performing at Babymetal World Tour 2018 in Japan and that she will no longer be a part of Babymetal. We thank her for all of her contributions and wish her all the best in her future endeavors.”
The statement goes on to say that this month’s tour in Japan “will mark the rebirth in which Su-Metal and Moametal form the core of Babymetal.”
— BABYMETAL (@BABYMETAL_JAPAN) October 19, 2018