The leader of newbie group�F.cuz, Jinon has been sent to the emergency room for acute appendicitis. The idol was attacked unexpectedly with the symptoms of abdominal pain during rehearsals for Mnet M! Countdown. He is currently hospitalized (again), and waiting to undergo a mild surgery. Their label Can&J's Entertainment revealed,

"Due to the sudden need for surgery, only three members of F.Cuz will be stepping on stage for tonight's Mnet M! Countdown performance. He will return to his schedules as soon as he makes a full recovery."