On Sunday's concert, Aika was feeling some pain in her ankle, went to the hospital afterwards, and it was found that she has a fracture in her left ankle.
She will still attend Morning Musume concerts and events, but won't really be able to dance.
Aika is a really strong girl to continue to perform with an injury like that. I know she must not want to let Morning Musume's fans down, but I just hope she is really careful and doesn't injure it further.
Get well soon Aika, we love you <3