January 11, 2016 - ANGERME's Aikawa Maho takes a break from activities (UPDATED)
On January 11, an UP-FRONT PROMOTION representative announced that Aikawa would halt her activities from ANGERME for a while in order to rest and receive treatment for panic disorder. She had reported headaches, dizziness, nausea, breathing difficulties and panic attacks which led to her being unable to participate in Hello! Project 2017 WINTER concerts, and her subsequent diagnosis.
On March 3, an update was released that Aikawa would continue to be absent for all ANGERME concerts, as well as the Hello! Project Hina Fest 2017, from March to mid-May.