HKT48 member Sashihara Rino tells her fans through Twitter that she suffered acute astritis few hours after FNS Music Festival LIVE on 5 December 2018. According to her Tweet, it seems she has been recovered.
Original source: Sashihara Rino's Tweet
FNSおわりで急性胃腸炎になってました????
— 指原 莉乃 (@345__chan) December 7, 2018
まだ元気な時の私です。
この数時間後に「????」こうなります。
だいぶ回復しました。。 pic.twitter.com/2fckBkUzFr