It was named J - One for the label 's thrust of releasing chart - topping releases .
In 2006 , KAT - TUN debuted and began to release under J - One Records , their exclusive record label .
It was named J - One Records     for the label 's thrust of releasing chart - topping releases .
In 2006 , KAT - TUN debuted and began to release under J - One Records , their exclusive record label .