The idol group Rhymeberry announced on February 26 that the members MC HIME and DJ HIKARU have suddenly graduated from the idol group.
A new girl, MISAKI (ex Aither), joined the only remaining member MC MIRI.
It was sudden and unexpected, there was no public graduation ceremony for these members.
Yamagishi Natsumi (山岸 奈津美) announced her graduation on March 1st during a Team N performance at the NMB48 Theater in Osaka.
Yamagishi’s final day with NMB48 will be on March 12 during a performance.
Yamagishi explained that she would be graduating to focus her dream of becoming a model. The next day, she posted a message on Google+ on which she asked for fans to continue to support her when she will become a model, even if she would no longer be an idol.
Suzuki Shiori announced her graduation from AKB48.
Suzuki Shiori said that she had found a new dream.
She will continue to participate in handshake events and photo sessions until May 30. However, the date of her graduation ceremony hasn’t been determined yet.
Iwasaki Yuki announced her graduation from Lovely★Doll.
Iwasaki Yuki explained that she had to graduate from the idol group due to poor physical condition. She has health problems since winter 2013, but she had decided to continue her activities as Lovely★Doll made their major debut in April 2014.
However, she wants to pursue her career in the entertainment industry.
Kobayashi Ami announced her graduation from SKE48.
Kobayashi Ami told that she wanted to pursue her activities in the entertainment industry after her graduation. She thanked the fans and said that it was her second career start.
She will leave the idol group on March 31.
Hatanaka Seira announced her graduation from Nogizaka46.
Hatanaka Seira is going to pursue her activities with the idol group until a last handshake event scheduled on April 4.
She explained that, as she is 19 years old now, she wanted to become an adult and to be more independant.
Morikawa Ayaka announced her graduation from AKB48.
The date of her graduation ceremony hasn’t been determined yet.
Morikawa Ayaka explained that she decided to leave the idol group from Akihabara in order to realize her dream to become a model.
Furukawa Airi announced her graduation from SKE48.
She will continue her activities with the idol group from Nagoya until her graduation ceremony scheduled on March 31.
Furukawa Airi is the leader of SKE48 Team KII.
Kyogoku Tomoka (京極友香) left 
Hosaka Ayano announced her graduation from