It's been announced that JO1 member Kinjo Sukai will temporarily halt his activities.

Due to poor health, Kinjo had been absent from the event 'KCON World Premiere: The Triangle' on September 23. According to JO1's official website, he was diagnosed with adjustment disorder, and will be devoting himself to treatment per his doctor's instructions.

Until Kinjo's comeback, JO1 will carry out their activities as a ten-member group.