Jong-hoon left F.T . Island in 2019 due to his involvement in the Burning Sun scandal .
On March 14 , 2019 , Jong-hoon left the band and retired from the entertainment industry after involvement in a group chat in which some members shared videos of sexual activities recorded without the consent of the other party.  ? oid=213 & aid=0001093008 Hong-gi began his mandatory military service on September 30 , 2019 , becoming the first F.T . Island member to enlist .