Romi Park is a Japanese actress and voice actress of Korean descent. At the first Seiyuu Awards, she won an award for her portrayal of Nana Oosaki in Nana. She is known for voicing tough, calm, and mature preteen or teenage boys.
Gantz tells the story of a teenager named Kei Kurono, among others, who die but find themselves brought back in perfectly healthy bodies and forced to participate in a "game" where they must hunt down and kill aliens. Those who die on missions are quickly replaced by others in following missions.