Hunter X Hunter: Phantom Rouge

Someone has stolen Kurapika's eyes-and another survivor from his clan whose members were massacred for their Scarlet Eyes! Gon and Killua begin investigating on his behalf, but shortly after they've begun, the Phantom Troupe appears!
Gon, Killua, Kurapika and Leorio reunite to face a dangerous opponent who was once a member of the Phantom Troupe.