Rina Matsuno from Shiritsu Ebisu Chuugaku only made it to the hospital's emergency room before passing away.
It's known that Matsuno were supposed to be appearing at a concert with the group on February 7th. However, due to poor health she decided to take a day off. Throughout the day, the idol was apparently just fine.
At around 5 am on February 8th, her parents realized something was wrong and called an ambulance. By the time she arrived at the hospital, she had already passed away. So far a cause of death hasn't been specified.
Officials say that Matsuno's parents are understandably shocked and saddened by the news. A funeral date has yet to be set, but one will be held at a later date.
Also see: Shiritsu Ebisu Chugaku's Rina Matsuno Passes Away
Despite having poor health recently, she was still considered to be healthy and "full of life". Even before the day of her death, she posted a photo on Instagram showing off a photo of her vacation from the past weekend.
Quite understandably, the members of Shiritsu Ebisu Chuugaku are in a state of shock over the death of Matsuno. The group's Taiwan concert slated for February 18th has been cancelled and future performances have been put on hold.
We can only offer our condolences to family, friends and fans. Hopefully we can find out what caused her death, only so we can find some type of closure. May she rest in peace.