(Hunter X Bleach | Luo Bai) The Search

Eighteen years ago, after the unrest in Soul Society had been quelled, Rukia and Ichigo were stationed in the World of the Living. Two mysterious boys found Byakuya Kuchiki and promised him an ordinary life.

Byakuya disappeared for eighteen years.

Eighteen years later, as the two boys were returning Byakuya Kuchiki to Soul Society, they accidentally sent him to the Hunter world, changing the lonely life he would otherwise have led.