 The manga was later licensed in North America by Yen Press, and the first volume was released on January 25, 2011.The series is also published in Spain by Glénat España, in Germany by Carlsen, in Italy, Brazil, Mexico and Colombia by Panini Comics, in Canada and France for French-language publication by Pika Édition, in Poland by Waneko, and in Taiwan by Kadokawa Media.A crossover manga by Shōji Satō, called , was published on August 9, 2012, featuring characters from "Triage X", Sato's other work.