By 1961 , the only faction left was Kim Il - sung 's own Guerrilla faction , along with members who had joined the WPK under Kim Il - sung 's leadership .
Were loyal to Kim Il - sung .
By 1961 , the only faction left was Kim Il - sung 's own Guerrilla faction , along with members who had joined the WPK under Kim Il - sung 's leadership and were loyal to him .